CVE & CISA-KEV Catalog

CVE-2026-39827

MEDIUM
6.5
CVSS v3
NVD

Description

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.

How to fix

Remediation Available
golang-go.cryptoDebian
Fixed in:1:0.52.0-1CVE-2026-39827
registry.redhat.io/multiclusterRocky
Fixed in:engine/work-rhel9@sha256:eb41c33a0663f4d1ce6fdb5f142adc87f26dfafbf32d76f436cc90d08297a39a_s390xRHSA-2026:57194
Fixed in:engine/placement-rhel9@sha256:1143dff131174bd73e1bf9ab6ba106406d14f837bb241b6850a613c57ba46df6_s390xRHSA-2026:57194
Fixed in:engine/discovery-rhel9@sha256:43850784416ed4c8ff8c41eb71382a4a4afb7804d57da0a151e9d90a30fc17e2_arm64RHSA-2026:57194
Fixed in:engine/registration-rhel9@sha256:00f4181e21a2db39af730589b9151ec58b8b8279aa0a84291e599fb4e6e9799d_ppc64leRHSA-2026:57194
Fixed in:engine/placement-rhel9@sha256:4c68c5e66aa0bea71d1c3aba845e20a893b5448c8a6ffd1e53ee1a4696acdbb0_arm64RHSA-2026:57194
Fixed in:engine/hive-rhel9@sha256:90e4247d9a1ec1ffdabf6b6162095903b6a5187e6a93259d17a8cb6f50a45c4c_amd64RHSA-2026:57194
Fixed in:engine/work-rhel9@sha256:991c6ef2abc9f91e4ed1ea627aa58d639badf4cb48ac46ab6a4c4b83c8dec483_arm64RHSA-2026:57194
Fixed in:engine/discovery-rhel9@sha256:75e6c0f5717c0f097eb02e7175837be2055a4d1d13a25e3cc02fc2da6e5cd712_s390xRHSA-2026:57194
registry.redhat.io/multiclusterRed Hat / RHEL
Fixed in:engine/hive-rhel9@sha256:c46d99c393988beb2e59a50d1b3d359fc7c90e5e5b4618e04fe44a10a6a17d51_s390xRHSA-2026:57194
Fixed in:engine/discovery-rhel9@sha256:75e6c0f5717c0f097eb02e7175837be2055a4d1d13a25e3cc02fc2da6e5cd712_s390xRHSA-2026:57194
Fixed in:engine/discovery-rhel9@sha256:342ba968ab696cdd9c14a72b546db322efd571fa7b178b1c9802975879a8d099_ppc64leRHSA-2026:57194
Fixed in:engine/placement-rhel9@sha256:1143dff131174bd73e1bf9ab6ba106406d14f837bb241b6850a613c57ba46df6_s390xRHSA-2026:57194
Fixed in:engine/registration-rhel9@sha256:1c9e7c0a41808cdc2b627328f8845a4b1dd78d2f6da00e445a72fe6f563bf739_s390xRHSA-2026:57194
Fixed in:engine/registration-rhel9@sha256:08744839bcffb2d220d1aee9bb596cf387564a1b25e237ec015ef9263cb1cf8f_amd64RHSA-2026:57194
Fixed in:engine/placement-rhel9@sha256:a0a670fb54ce652f1be3f1d13555e3f7703f811a31bed17b7a35245382635ec3_amd64RHSA-2026:57194
Fixed in:engine/hive-rhel9@sha256:90e4247d9a1ec1ffdabf6b6162095903b6a5187e6a93259d17a8cb6f50a45c4c_amd64RHSA-2026:57194
registry.redhat.io/multicluster-engine/addonRocky
Fixed in:manager-rhel9@sha256:0451628c58cb6738977a1a5499f204b07e8ab02b41e949b27b263fea3ea61f88_amd64RHSA-2026:57194
Fixed in:manager-rhel9@sha256:5acf929f44e14e1a1d229e0a4d0e0d68c592654435d0a7ea234c23d88e7da686_s390xRHSA-2026:57194
Fixed in:manager-rhel9@sha256:3e9e3ef83f3da8d29471e8cc5cc0315f7b02dd44cfaafbd0b27f049d2efcc4a5_ppc64leRHSA-2026:57194
Fixed in:manager-rhel9@sha256:ba6c4a20a6ee685c319df030bd2774e9ff9747c0bea02df16c169f85b20e4ca0_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/addonRed Hat / RHEL
Fixed in:manager-rhel9@sha256:5acf929f44e14e1a1d229e0a4d0e0d68c592654435d0a7ea234c23d88e7da686_s390xRHSA-2026:57194
Fixed in:manager-rhel9@sha256:ba6c4a20a6ee685c319df030bd2774e9ff9747c0bea02df16c169f85b20e4ca0_arm64RHSA-2026:57194
Fixed in:manager-rhel9@sha256:3e9e3ef83f3da8d29471e8cc5cc0315f7b02dd44cfaafbd0b27f049d2efcc4a5_ppc64leRHSA-2026:57194
Fixed in:manager-rhel9@sha256:0451628c58cb6738977a1a5499f204b07e8ab02b41e949b27b263fea3ea61f88_amd64RHSA-2026:57194
registry.redhat.io/multicluster-engine/azure-serviceRed Hat / RHEL
Fixed in:operator-rhel9@sha256:0f5af66d650b218e30c57aad3bd4d6c9d978a5fee42f5a8e4c3d6b792282cd9b_arm64RHSA-2026:57194
Fixed in:operator-rhel9@sha256:f480a9edc21d0cf6d2358a6847796ad8438bdb05151c1a263cbd61373b18908d_amd64RHSA-2026:57194
Fixed in:operator-rhel9@sha256:49774c069cd6a4f2b3850039ae338fa0ff1da3f29a42990a863b6c93dfa30a42_ppc64leRHSA-2026:57194
Fixed in:operator-rhel9@sha256:de79fc015730adf4dce460ea07cdabc89b31537a36831bd85a3ed3cc0683307c_s390xRHSA-2026:57194
registry.redhat.io/multicluster-engine/azure-serviceRocky
Fixed in:operator-rhel9@sha256:0f5af66d650b218e30c57aad3bd4d6c9d978a5fee42f5a8e4c3d6b792282cd9b_arm64RHSA-2026:57194
Fixed in:operator-rhel9@sha256:de79fc015730adf4dce460ea07cdabc89b31537a36831bd85a3ed3cc0683307c_s390xRHSA-2026:57194
Fixed in:operator-rhel9@sha256:f480a9edc21d0cf6d2358a6847796ad8438bdb05151c1a263cbd61373b18908d_amd64RHSA-2026:57194
Fixed in:operator-rhel9@sha256:49774c069cd6a4f2b3850039ae338fa0ff1da3f29a42990a863b6c93dfa30a42_ppc64leRHSA-2026:57194
registry.redhat.io/multicluster-engine/backplaneRed Hat / RHEL
Fixed in:rhel9-operator@sha256:ded50b49b8d04d0ffb844216115f7bee6ba3a10a6c03ece119335f644b2b0f54_s390xRHSA-2026:57194
Fixed in:rhel9-operator@sha256:5df15f8fe0f01ad4400f505bcbbeb38ac4389a2f7efce2852c94e088c742bc6e_ppc64leRHSA-2026:57194
Fixed in:rhel9-operator@sha256:27a860976c6e2d3839bd7748d55d3803fd3bd25363d54ee6c50f5fe56ef343d4_arm64RHSA-2026:57194
Fixed in:rhel9-operator@sha256:77241ec4ce514b53eea74ecc7f7c53e59f9f992e8f9383e854ee8e78c7b0ef67_amd64RHSA-2026:57194
registry.redhat.io/multicluster-engine/backplaneRocky
Fixed in:rhel9-operator@sha256:5df15f8fe0f01ad4400f505bcbbeb38ac4389a2f7efce2852c94e088c742bc6e_ppc64leRHSA-2026:57194
Fixed in:rhel9-operator@sha256:ded50b49b8d04d0ffb844216115f7bee6ba3a10a6c03ece119335f644b2b0f54_s390xRHSA-2026:57194
Fixed in:rhel9-operator@sha256:77241ec4ce514b53eea74ecc7f7c53e59f9f992e8f9383e854ee8e78c7b0ef67_amd64RHSA-2026:57194
Fixed in:rhel9-operator@sha256:27a860976c6e2d3839bd7748d55d3803fd3bd25363d54ee6c50f5fe56ef343d4_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/capoaRed Hat / RHEL
Fixed in:bootstrap-rhel9@sha256:6f3fb64d8b881cfbd847af85d193ea4f516925c6249f91ec55084905f4dd3c6a_ppc64leRHSA-2026:57194
Fixed in:bootstrap-rhel9@sha256:a2f084702f5a1c31f27c7716aedcd617c96fbf1f5f93bebd6ca1d452b91757e7_arm64RHSA-2026:57194
Fixed in:bootstrap-rhel9@sha256:374732a24d27236906d8de2d39932909aa662c770ede2d0adcffe580c105cda6_amd64RHSA-2026:57194
Fixed in:bootstrap-rhel9@sha256:da3299e3a8199a200cfbb2eeb0e15f8911573836d2dbde73a55492d5053ae96d_s390xRHSA-2026:57194
registry.redhat.io/multicluster-engine/capoaRocky
Fixed in:bootstrap-rhel9@sha256:a2f084702f5a1c31f27c7716aedcd617c96fbf1f5f93bebd6ca1d452b91757e7_arm64RHSA-2026:57194
Fixed in:bootstrap-rhel9@sha256:374732a24d27236906d8de2d39932909aa662c770ede2d0adcffe580c105cda6_amd64RHSA-2026:57194
Fixed in:bootstrap-rhel9@sha256:6f3fb64d8b881cfbd847af85d193ea4f516925c6249f91ec55084905f4dd3c6a_ppc64leRHSA-2026:57194
Fixed in:bootstrap-rhel9@sha256:da3299e3a8199a200cfbb2eeb0e15f8911573836d2dbde73a55492d5053ae96d_s390xRHSA-2026:57194
registry.redhat.io/multicluster-engine/capoa-controlRed Hat / RHEL
Fixed in:plane-rhel9@sha256:d7e6b3a44df34cb814f6490aa71e6ab0845ca9b51eab226e5f94c17b25f27a0f_ppc64leRHSA-2026:57194
Fixed in:plane-rhel9@sha256:126a79bee08f4df0f9dc8327e479768c1066fddad4359416935414933a190556_s390xRHSA-2026:57194
Fixed in:plane-rhel9@sha256:8853c67109f5d998bdb6670599856f61322004cd3f46df2522e7b56b9fe333f9_amd64RHSA-2026:57194
Fixed in:plane-rhel9@sha256:92614c9b2d1df37df37b52ccaac562318d0dd8330c5c650c5bf09f11b228d680_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/capoa-controlRocky
Fixed in:plane-rhel9@sha256:126a79bee08f4df0f9dc8327e479768c1066fddad4359416935414933a190556_s390xRHSA-2026:57194
Fixed in:plane-rhel9@sha256:d7e6b3a44df34cb814f6490aa71e6ab0845ca9b51eab226e5f94c17b25f27a0f_ppc64leRHSA-2026:57194
Fixed in:plane-rhel9@sha256:8853c67109f5d998bdb6670599856f61322004cd3f46df2522e7b56b9fe333f9_amd64RHSA-2026:57194
Fixed in:plane-rhel9@sha256:92614c9b2d1df37df37b52ccaac562318d0dd8330c5c650c5bf09f11b228d680_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/clusterRed Hat / RHEL
Fixed in:proxy-rhel9@sha256:b5746d8817721caa8265ca3d16e77c3c8c9a58f6760c718b797219b0e29fc046_s390xRHSA-2026:57194
Fixed in:proxy-rhel9@sha256:44353e99606d8e162c09f745c0d31d4e8f7f6d30be34c6c175f5a98884dec8a4_amd64RHSA-2026:57194
Fixed in:proxy-rhel9@sha256:a8f98ad8314ce6f2e4072a67d6e1f1ca2aa0b1924765cf4bf29b5acf694f1625_ppc64leRHSA-2026:57194
Fixed in:proxy-rhel9@sha256:e9b39e91081a529ccc07091828fa91e47a20bb58bd987965248fad6b4934538c_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/clusterRocky
Fixed in:proxy-rhel9@sha256:44353e99606d8e162c09f745c0d31d4e8f7f6d30be34c6c175f5a98884dec8a4_amd64RHSA-2026:57194
Fixed in:proxy-rhel9@sha256:b5746d8817721caa8265ca3d16e77c3c8c9a58f6760c718b797219b0e29fc046_s390xRHSA-2026:57194
Fixed in:proxy-rhel9@sha256:a8f98ad8314ce6f2e4072a67d6e1f1ca2aa0b1924765cf4bf29b5acf694f1625_ppc64leRHSA-2026:57194
Fixed in:proxy-rhel9@sha256:e9b39e91081a529ccc07091828fa91e47a20bb58bd987965248fad6b4934538c_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/cluster-api-providerRed Hat / RHEL
Fixed in:azure-rhel9@sha256:e239463377781a7d4f3fc46170774e45cda3b1e6ee8fbc9377adebdabfe8131f_s390xRHSA-2026:57194
Fixed in:agent-rhel9@sha256:b1dc86fb39953b8099ea5a637eac97a4bd1b2f92d097a52cae77f61dda0dbb1f_s390xRHSA-2026:57194
Fixed in:azure-rhel9@sha256:a479141060498df73679681a615b90072b1f90a6f9b3ae08a54e26a9042f16a4_ppc64leRHSA-2026:57194
Fixed in:aws-rhel9@sha256:59c06be711e3f5926f46a1e9e29c9f6ed14594a1385d4d9b37d803e19acc3cb6_ppc64leRHSA-2026:57194
Fixed in:aws-rhel9@sha256:e5faa2640041002b8acbc6e9be67485a13c2f62ba4ad6c42793e1c485b49169e_arm64RHSA-2026:57194
Fixed in:kubevirt-rhel9@sha256:9936fc094d8f146c079226319143b9ed209f5b7d345a130287aa5a10678aa887_arm64RHSA-2026:57194
Fixed in:agent-rhel9@sha256:9f4bc02787f5e7046ebbaf5ea2c9b747b9f7a2b868c1832099460ef55604b6d5_arm64RHSA-2026:57194
Fixed in:azure-rhel9@sha256:0de237fbabb09982be974ac1cf3d88e28c6f6a2fe1293dd0e7bd84bdf01186a4_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/cluster-api-providerRocky
Fixed in:agent-rhel9@sha256:9f4bc02787f5e7046ebbaf5ea2c9b747b9f7a2b868c1832099460ef55604b6d5_arm64RHSA-2026:57194
Fixed in:agent-rhel9@sha256:71cec7e3da1978e7431c50ab9e2095b57915431f4f66267cc7ac3160ac788d74_amd64RHSA-2026:57194
Fixed in:agent-rhel9@sha256:b1dc86fb39953b8099ea5a637eac97a4bd1b2f92d097a52cae77f61dda0dbb1f_s390xRHSA-2026:57194
Fixed in:aws-rhel9@sha256:3288bd73ed35f786de12f386ed341721cbf14ba81854f3907897a787362cc091_amd64RHSA-2026:57194
Fixed in:aws-rhel9@sha256:a3518bedb826eabb81c40a547549dd83e81dee958c9c00a256716c5463f6b131_s390xRHSA-2026:57194
Fixed in:kubevirt-rhel9@sha256:60718ffaca7cfa4c7e0714fdf7503b0cd5a68c1b221f1d852c19f420ae559136_ppc64leRHSA-2026:57194
Fixed in:aws-rhel9@sha256:59c06be711e3f5926f46a1e9e29c9f6ed14594a1385d4d9b37d803e19acc3cb6_ppc64leRHSA-2026:57194
Fixed in:azure-rhel9@sha256:e239463377781a7d4f3fc46170774e45cda3b1e6ee8fbc9377adebdabfe8131f_s390xRHSA-2026:57194
registry.redhat.io/multicluster-engine/cluster-curatorRed Hat / RHEL
Fixed in:controller-rhel9@sha256:c7c0138fd90a11dc72dd59c9499c6224be6461f0a00dfd6fbdbe03d452be2203_ppc64leRHSA-2026:57194
Fixed in:controller-rhel9@sha256:11ec7a9737fb7a20da1dbf96a8a82cc3ea502b81536a5b13cd9cd8ceaecd2e74_arm64RHSA-2026:57194
Fixed in:controller-rhel9@sha256:1c799a32c8c147a99c1fea86e7da941e0b2779ddaa3404d7f8f86a7ae62e600a_s390xRHSA-2026:57194
Fixed in:controller-rhel9@sha256:a143d59ea8dba9a4a465becd9be1ca84674d61ca270be8dc01beeba9a69d5df8_amd64RHSA-2026:57194
registry.redhat.io/multicluster-engine/cluster-curatorRocky
Fixed in:controller-rhel9@sha256:a143d59ea8dba9a4a465becd9be1ca84674d61ca270be8dc01beeba9a69d5df8_amd64RHSA-2026:57194
Fixed in:controller-rhel9@sha256:1c799a32c8c147a99c1fea86e7da941e0b2779ddaa3404d7f8f86a7ae62e600a_s390xRHSA-2026:57194
Fixed in:controller-rhel9@sha256:c7c0138fd90a11dc72dd59c9499c6224be6461f0a00dfd6fbdbe03d452be2203_ppc64leRHSA-2026:57194
Fixed in:controller-rhel9@sha256:11ec7a9737fb7a20da1dbf96a8a82cc3ea502b81536a5b13cd9cd8ceaecd2e74_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/cluster-image-setRed Hat / RHEL
Fixed in:controller-rhel9@sha256:8e70b290d28ca557ebb6e859a601b0c59eae41c689ac63e240ee0b450eb56aa7_ppc64leRHSA-2026:57194
Fixed in:controller-rhel9@sha256:ce444a0e6b7123d7e2536e484c7879bf6194d4b9c5a72989b9f02eb00b467e62_arm64RHSA-2026:57194
Fixed in:controller-rhel9@sha256:f6086c2f9c8df798340ca4571ad962d8bb77d1596a6aac95ab1b13cffec0de87_amd64RHSA-2026:57194
Fixed in:controller-rhel9@sha256:e1e392373f0a448755a4e39852eb30851a943f42fa92606a39bbdcd59f6d0fe6_s390xRHSA-2026:57194
registry.redhat.io/multicluster-engine/cluster-image-setRocky
Fixed in:controller-rhel9@sha256:8e70b290d28ca557ebb6e859a601b0c59eae41c689ac63e240ee0b450eb56aa7_ppc64leRHSA-2026:57194
Fixed in:controller-rhel9@sha256:f6086c2f9c8df798340ca4571ad962d8bb77d1596a6aac95ab1b13cffec0de87_amd64RHSA-2026:57194
Fixed in:controller-rhel9@sha256:e1e392373f0a448755a4e39852eb30851a943f42fa92606a39bbdcd59f6d0fe6_s390xRHSA-2026:57194
Fixed in:controller-rhel9@sha256:ce444a0e6b7123d7e2536e484c7879bf6194d4b9c5a72989b9f02eb00b467e62_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/clusterclaimsRocky
Fixed in:controller-rhel9@sha256:449576503bf3eabb67a966a2656c7eb5bbb941175fd693b0a5e606b4b5b8ab28_ppc64leRHSA-2026:57194
Fixed in:controller-rhel9@sha256:50e09ac0780b74fefb5f4ee6fcc5a21d390f99cdcc8d4ea5660b0269524d357c_amd64RHSA-2026:57194
Fixed in:controller-rhel9@sha256:de9e9de4fb055c4547af26ef2398b9eeeafd473c2e1116c4bce146ba7f0b683b_s390xRHSA-2026:57194
Fixed in:controller-rhel9@sha256:d8844b665b4aab38bea440900c477a20e4ed0816e32e6ca9333196b46e00edf8_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/clusterclaimsRed Hat / RHEL
Fixed in:controller-rhel9@sha256:d8844b665b4aab38bea440900c477a20e4ed0816e32e6ca9333196b46e00edf8_arm64RHSA-2026:57194
Fixed in:controller-rhel9@sha256:50e09ac0780b74fefb5f4ee6fcc5a21d390f99cdcc8d4ea5660b0269524d357c_amd64RHSA-2026:57194
Fixed in:controller-rhel9@sha256:449576503bf3eabb67a966a2656c7eb5bbb941175fd693b0a5e606b4b5b8ab28_ppc64leRHSA-2026:57194
Fixed in:controller-rhel9@sha256:de9e9de4fb055c4547af26ef2398b9eeeafd473c2e1116c4bce146ba7f0b683b_s390xRHSA-2026:57194
registry.redhat.io/multicluster-engine/clusterlifecycle-stateRocky
Fixed in:metrics-rhel9@sha256:9f03f72208cecd569fe3bf59a710e52f908e68628e40bee2df001664dc521eb2_amd64RHSA-2026:57194
Fixed in:metrics-rhel9@sha256:2dfe44b5bdfe08bf1cc656906db4e0f6b18a1a65b6e95d875081320e951ce4c7_ppc64leRHSA-2026:57194
Fixed in:metrics-rhel9@sha256:5d1316e7dd1a4dd0c7f3253e5c131c6c5ea7c75a3796448675c98572601d6ea5_arm64RHSA-2026:57194
Fixed in:metrics-rhel9@sha256:21f5c751e0c991779a34bffc6f355ba12d6d793cadaae09f73f9118ae9c751c5_s390xRHSA-2026:57194
registry.redhat.io/multicluster-engine/clusterlifecycle-stateRed Hat / RHEL
Fixed in:metrics-rhel9@sha256:21f5c751e0c991779a34bffc6f355ba12d6d793cadaae09f73f9118ae9c751c5_s390xRHSA-2026:57194
Fixed in:metrics-rhel9@sha256:5d1316e7dd1a4dd0c7f3253e5c131c6c5ea7c75a3796448675c98572601d6ea5_arm64RHSA-2026:57194
Fixed in:metrics-rhel9@sha256:9f03f72208cecd569fe3bf59a710e52f908e68628e40bee2df001664dc521eb2_amd64RHSA-2026:57194
Fixed in:metrics-rhel9@sha256:2dfe44b5bdfe08bf1cc656906db4e0f6b18a1a65b6e95d875081320e951ce4c7_ppc64leRHSA-2026:57194
registry.redhat.io/multicluster-engine/consoleRed Hat / RHEL
Fixed in:mce-rhel9@sha256:31c72f35b5d170209dbf1d0801f12b0671283765157ec690774fc50aefde944e_ppc64leRHSA-2026:57194
Fixed in:mce-rhel9@sha256:5b9db2e01b7e7d9d86ba36e523ea5df8f36c9a2ad6d210db4ab8cd24995863cb_s390xRHSA-2026:57194
Fixed in:mce-rhel9@sha256:b25cd815f89acc196fa6060bcfb155a19b1ae49a5e2911ac23d6548a499bd34c_arm64RHSA-2026:57194
Fixed in:mce-rhel9@sha256:a076ba3192b7408fdb8484225d3591be134c95bdf8182095e62e83eb46289435_amd64RHSA-2026:57194
registry.redhat.io/multicluster-engine/consoleRocky
Fixed in:mce-rhel9@sha256:5b9db2e01b7e7d9d86ba36e523ea5df8f36c9a2ad6d210db4ab8cd24995863cb_s390xRHSA-2026:57194
Fixed in:mce-rhel9@sha256:31c72f35b5d170209dbf1d0801f12b0671283765157ec690774fc50aefde944e_ppc64leRHSA-2026:57194
Fixed in:mce-rhel9@sha256:a076ba3192b7408fdb8484225d3591be134c95bdf8182095e62e83eb46289435_amd64RHSA-2026:57194
Fixed in:mce-rhel9@sha256:b25cd815f89acc196fa6060bcfb155a19b1ae49a5e2911ac23d6548a499bd34c_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/hypershiftRocky
Fixed in:rhel9-operator@sha256:1f332ce11e4d09318635da128085cbd12f0fff1c859a9be094d934d4e991f3b8_amd64RHSA-2026:57194
Fixed in:cli-rhel9@sha256:0aeff9f8c8963e72e6cdfdc98d93b9bf36c19c465120c7a0720d8c39b1001f11_s390xRHSA-2026:57194
Fixed in:rhel9-operator@sha256:8f90a53b8afb18e29ea9742bf9eb6a6f86678b796f9ffb42fd198f33ec1cc70d_arm64RHSA-2026:57194
Fixed in:cli-rhel9@sha256:5e8b321f1737ec13bab326c8bf13e5e8b8edf6027ee4bd31206bb748188858b1_ppc64leRHSA-2026:57194
Fixed in:rhel9-operator@sha256:4b1471a726ed1a8d3bf12489006b12793d64d7e6803f5c457b2483932885afaf_ppc64leRHSA-2026:57194
Fixed in:rhel9-operator@sha256:69661eb4bb2ec82eca27dd2e6069c3b8a49a982ce01fc7b93eeec61e8af7a488_s390xRHSA-2026:57194
Fixed in:cli-rhel9@sha256:d3ad8c7a246cc47a94aa0fd30791ade3c9214c321b9cdf0e45dcd99344e617c0_arm64RHSA-2026:57194
Fixed in:cli-rhel9@sha256:579596cc5e205c7c8fa552d5b7d867a382e27ab322889ec15e19d4d3c23155a4_amd64RHSA-2026:57194
registry.redhat.io/multicluster-engine/hypershiftRed Hat / RHEL
Fixed in:rhel9-operator@sha256:69661eb4bb2ec82eca27dd2e6069c3b8a49a982ce01fc7b93eeec61e8af7a488_s390xRHSA-2026:57194
Fixed in:rhel9-operator@sha256:4b1471a726ed1a8d3bf12489006b12793d64d7e6803f5c457b2483932885afaf_ppc64leRHSA-2026:57194
Fixed in:rhel9-operator@sha256:1f332ce11e4d09318635da128085cbd12f0fff1c859a9be094d934d4e991f3b8_amd64RHSA-2026:57194
Fixed in:rhel9-operator@sha256:8f90a53b8afb18e29ea9742bf9eb6a6f86678b796f9ffb42fd198f33ec1cc70d_arm64RHSA-2026:57194
Fixed in:cli-rhel9@sha256:0aeff9f8c8963e72e6cdfdc98d93b9bf36c19c465120c7a0720d8c39b1001f11_s390xRHSA-2026:57194
Fixed in:cli-rhel9@sha256:579596cc5e205c7c8fa552d5b7d867a382e27ab322889ec15e19d4d3c23155a4_amd64RHSA-2026:57194
Fixed in:cli-rhel9@sha256:5e8b321f1737ec13bab326c8bf13e5e8b8edf6027ee4bd31206bb748188858b1_ppc64leRHSA-2026:57194
Fixed in:cli-rhel9@sha256:d3ad8c7a246cc47a94aa0fd30791ade3c9214c321b9cdf0e45dcd99344e617c0_arm64RHSA-2026:57194
registry.redhat.io/multicluster-engine/hypershift-addonRed Hat / RHEL
Fixed in:rhel9-operator@sha256:9bd4ebda1ac35bbbca4ad61e11b2805a9302edbdd5ca119fc459a63ebb3d0bb0_amd64RHSA-2026:57194
Fixed in:rhel9-operator@sha256:31b448d2a414dfd39327dad7e554901e5afb5f86fc683be7efc49e802a5ad8f7_arm64RHSA-2026:57194
Fixed in:rhel9-operator@sha256:a7c807d050f3189f7d35e53ba608220896439248f8d65bea873f45b98d0f5bdb_s390xRHSA-2026:57194
Fixed in:rhel9-operator@sha256:8d69fe36725afd3ca0bf797ea434f7d77890627691aa6e43bc09065fe0825687_ppc64leRHSA-2026:57194

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U

Exploit Intelligence

0.28%probability of exploitation in 30 days
20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

Vendor Advisory1
Issue Tracking2
Mailing List1

Related Vulnerabilities

Other CWE-924 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3596Critical9.015%-Fix
CVE-2018-14526Medium6.51.5%-Fix
CVE-2021-21390Medium6.50.9%-Fix
CVE-2022-3166High7.50.7%--
CVE-2021-34793High8.60.7%-Fix
CVE-2021-3716Low3.10.6%-Fix

Common questions

How do I fix CVE-2026-39827?

Published advisories record a fix for 123 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-39827 being actively exploited?

Not that we know of. CVE-2026-39827 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.28% is the estimated probability that it will be exploited in the next 30 days. That is higher than 20% of all scored CVEs.

How severe is CVE-2026-39827?

CVE-2026-39827 has a CVSS v3 base score of 6.5, rated moderate. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-39827 affect?

Published advisories record a fix for golang-go.crypto (Debian), registry.redhat.io/multicluster (Rocky), registry.redhat.io/multicluster (Red Hat / RHEL), registry.redhat.io/multicluster-engine/addon (Rocky), and 119 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-39827
CVE-2026-39827 severity badge

Markdown

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HTML

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See how it worksStart freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-23.