CVE & CISA-KEV Catalog

CVE-2026-42504

HIGH

7.5

CVSS v3

Description

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.

How to fix

Remediation Available

registry.redhat.io/quay/clairRocky

Fixed in:rhel9@sha256:7df4998918f382d98fa22a78f6390cd74fc61f7c4bdfebfcc521223012e58f94_ppc64leRHSA-2026:41066

Fixed in:rhel9@sha256:ad21b5b3e9be86e46da017c3f6c5f21a8ecd5589ec7b8fcfa238a737205a3143_amd64RHSA-2026:41066

Fixed in:rhel9@sha256:a4ebf6125dc9f3ec9619b4ef3bc656f32e4f954f758393287e353608f1f22158_s390xRHSA-2026:41066

registry.redhat.io/quay/clairRed Hat / RHEL

Fixed in:rhel9@sha256:ad21b5b3e9be86e46da017c3f6c5f21a8ecd5589ec7b8fcfa238a737205a3143_amd64RHSA-2026:41066

Fixed in:rhel9@sha256:7df4998918f382d98fa22a78f6390cd74fc61f7c4bdfebfcc521223012e58f94_ppc64leRHSA-2026:41066

Fixed in:rhel9@sha256:a4ebf6125dc9f3ec9619b4ef3bc656f32e4f954f758393287e353608f1f22158_s390xRHSA-2026:41066

registry.redhat.io/quay/quayRed Hat / RHEL

Fixed in:operator-rhel9@sha256:c65a8c8d6dc0a191959b7e6d3f8f60afccf49d318d18080d91a059a6163ca4d4_s390xRHSA-2026:41066

Fixed in:builder-rhel9@sha256:75dae1dc7c81d7657ffc4317d80898afe45a0dd78d8739465b7cc95a15f481b8_amd64RHSA-2026:41066

Fixed in:rhel9@sha256:197e328cbe22d79da1589720fc5dc79874c84dcbe78928efedb2de9ad8a756a9_ppc64leRHSA-2026:41066

Fixed in:operator-rhel9@sha256:3a01cd1d9559dbb9a1e8ae6c2bdcafe9596e3225b870cfbf725ea67a5a89e238_ppc64leRHSA-2026:41066

Fixed in:builder-rhel9@sha256:30689606ecbebba668c36a16892b0e6f7e0c1868933143fa078e7abaea380544_ppc64leRHSA-2026:41066

Fixed in:operator-rhel9@sha256:b17a240fd3c7032b9f098c9a3369a52ee4afaa23aa97a35936bf3fd44243681c_amd64RHSA-2026:41066

Fixed in:rhel9@sha256:71ee2ea79064730fbb9682fdd30dc7a455bf5a0a3b0297bdc264f2936876f62a_amd64RHSA-2026:41066

Fixed in:rhel9@sha256:5bab84aa3a13566f9c38af03862416cc1d6aa5b3a81090bef72d05a9aafe221b_s390xRHSA-2026:41066

Fixed in:operator-bundle@sha256:ca805ae1448ab106b9b486d158c5c27e27b9bbe0bcc8d11529c3fd521d674a6c_amd64RHSA-2026:41066

Fixed in:builder-rhel9@sha256:50ef0b22a4630bdd2e7355d7284b94aa33c5f424a218d55cb26224a3001cb484_s390xRHSA-2026:41066

Fixed in:rhel9@sha256:fe189be7d6cc775261c6b7fb58bc9badac2411647874d330d8de6e7f02569230_arm64RHSA-2026:41066

registry.redhat.io/quay/quayRocky

Fixed in:rhel9@sha256:71ee2ea79064730fbb9682fdd30dc7a455bf5a0a3b0297bdc264f2936876f62a_amd64RHSA-2026:41066

Fixed in:builder-rhel9@sha256:30689606ecbebba668c36a16892b0e6f7e0c1868933143fa078e7abaea380544_ppc64leRHSA-2026:41066

Fixed in:rhel9@sha256:197e328cbe22d79da1589720fc5dc79874c84dcbe78928efedb2de9ad8a756a9_ppc64leRHSA-2026:41066

Fixed in:rhel9@sha256:5bab84aa3a13566f9c38af03862416cc1d6aa5b3a81090bef72d05a9aafe221b_s390xRHSA-2026:41066

Fixed in:operator-bundle@sha256:ca805ae1448ab106b9b486d158c5c27e27b9bbe0bcc8d11529c3fd521d674a6c_amd64RHSA-2026:41066

Fixed in:operator-rhel9@sha256:c65a8c8d6dc0a191959b7e6d3f8f60afccf49d318d18080d91a059a6163ca4d4_s390xRHSA-2026:41066

Fixed in:operator-rhel9@sha256:b17a240fd3c7032b9f098c9a3369a52ee4afaa23aa97a35936bf3fd44243681c_amd64RHSA-2026:41066

Fixed in:builder-rhel9@sha256:50ef0b22a4630bdd2e7355d7284b94aa33c5f424a218d55cb26224a3001cb484_s390xRHSA-2026:41066

Fixed in:builder-rhel9@sha256:75dae1dc7c81d7657ffc4317d80898afe45a0dd78d8739465b7cc95a15f481b8_amd64RHSA-2026:41066

Fixed in:operator-rhel9@sha256:3a01cd1d9559dbb9a1e8ae6c2bdcafe9596e3225b870cfbf725ea67a5a89e238_ppc64leRHSA-2026:41066

Fixed in:rhel9@sha256:fe189be7d6cc775261c6b7fb58bc9badac2411647874d330d8de6e7f02569230_arm64RHSA-2026:41066

registry.redhat.io/quay/quay-bridgeRed Hat / RHEL

Fixed in:operator-bundle@sha256:1968b253b36566be2ad09057e3249147a3cc292713e538669d1b75460bec6ace_amd64RHSA-2026:41066

Fixed in:operator-rhel9@sha256:f51f40e95d73d6ccdc36caa2184a3e2fef4cf9cc0ced017bc7db890ea0a27293_s390xRHSA-2026:41066

Fixed in:operator-rhel9@sha256:7d4593286c5b733c8ed5ab2c255c762628c6438e68f10e6ee25582c91d628de4_amd64RHSA-2026:41066

Fixed in:operator-rhel9@sha256:3db8bd709ba6e311052f18c8dbcff80907229c33b9bac63a716f3fb3d4fa7358_ppc64leRHSA-2026:41066

registry.redhat.io/quay/quay-bridgeRocky

Fixed in:operator-rhel9@sha256:3db8bd709ba6e311052f18c8dbcff80907229c33b9bac63a716f3fb3d4fa7358_ppc64leRHSA-2026:41066

Fixed in:operator-bundle@sha256:1968b253b36566be2ad09057e3249147a3cc292713e538669d1b75460bec6ace_amd64RHSA-2026:41066

Fixed in:operator-rhel9@sha256:f51f40e95d73d6ccdc36caa2184a3e2fef4cf9cc0ced017bc7db890ea0a27293_s390xRHSA-2026:41066

Fixed in:operator-rhel9@sha256:7d4593286c5b733c8ed5ab2c255c762628c6438e68f10e6ee25582c91d628de4_amd64RHSA-2026:41066

registry.redhat.io/quay/quay-builder-qemuRed Hat / RHEL

Fixed in:rhcos-rhel8@sha256:6716128c395abd6d293c7fdfee76e1f7e3701cbe400befc4e8bc2922db7d0101_amd64RHSA-2026:41066

registry.redhat.io/quay/quay-builder-qemuRocky

Fixed in:rhcos-rhel8@sha256:6716128c395abd6d293c7fdfee76e1f7e3701cbe400befc4e8bc2922db7d0101_amd64RHSA-2026:41066

registry.redhat.io/quay/quay-container-securityRocky

Fixed in:operator-rhel9@sha256:a557d7fb863fb489c60709ac34eaa5c7c2d66961770a8359794e6ec21bd12840_s390xRHSA-2026:41066

Fixed in:operator-rhel9@sha256:6a208c36a417a6d0b5223f6ddc4b98c2f007ac209db2b2d70875bda6b84b6e42_ppc64leRHSA-2026:41066

Fixed in:operator-bundle@sha256:892c8bae38073747321083d3cb6fe0fbd2b1ab6547f8bbbf42f5cd6eac895ed1_amd64RHSA-2026:41066

Fixed in:operator-rhel9@sha256:45713ba39b951f894271777aefa5e7e0f4015d592a3e0a40cca680396f726ca3_amd64RHSA-2026:41066

registry.redhat.io/quay/quay-container-securityRed Hat / RHEL

Fixed in:operator-rhel9@sha256:a557d7fb863fb489c60709ac34eaa5c7c2d66961770a8359794e6ec21bd12840_s390xRHSA-2026:41066

Fixed in:operator-rhel9@sha256:6a208c36a417a6d0b5223f6ddc4b98c2f007ac209db2b2d70875bda6b84b6e42_ppc64leRHSA-2026:41066

Fixed in:operator-rhel9@sha256:45713ba39b951f894271777aefa5e7e0f4015d592a3e0a40cca680396f726ca3_amd64RHSA-2026:41066

Fixed in:operator-bundle@sha256:892c8bae38073747321083d3cb6fe0fbd2b1ab6547f8bbbf42f5cd6eac895ed1_amd64RHSA-2026:41066

registry.redhat.io/web-terminal/web-terminalRed Hat / RHEL

Fixed in:tooling-rhel9@sha256:fefa9980c5021706ccac27d05086359f45109790089e586221c08271b55b1b25_amd64RHSA-2026:42048

Fixed in:tooling-rhel9@sha256:43afcf8bfefccdb35c95d4e875fd610e56e6aba93947c6203fcade80e494e7d8_amd64RHSA-2026:42047

Fixed in:exec-rhel9@sha256:79f71e67817f8f200639d5b5f4677a7fe12a6f747e8723967c7591cebf777018_amd64RHSA-2026:42043

Fixed in:rhel9-operator@sha256:d32c93e5c790ad660161326837341f968ce0ed9bfd7ad2232ee27a2b56ef2526_amd64RHSA-2026:42047

Fixed in:operator-bundle@sha256:25e450ef9a1bbdb5e6d522a98928c0784c483de40f17ee111e8c32e59c4e78c9_amd64RHSA-2026:42048

Fixed in:rhel9-operator@sha256:f331222fc180e7195d51536dab01692da66ad9049671e034867855dce1e5b656_amd64RHSA-2026:42048

Fixed in:exec-rhel9@sha256:d1b0f8f0884aff5087d6c4d0c8a08b1e3952ff58ab91c15d4d6432dcdcf3de08_amd64RHSA-2026:42049

Fixed in:rhel9-operator@sha256:adfc3751f3512134d2e500f5bf57c6bcd4ef570704485436aa584e9d54e3f898_amd64RHSA-2026:42049

Fixed in:operator-bundle@sha256:122f518c55db3221e08ef3e49dd46892f75d6fbdaffa460c3ce22d8c584f0c93_amd64RHSA-2026:42051

Fixed in:rhel9-operator@sha256:3afb7495874dd97d4604d56cc9ca2be352629bb011084c54680a277f6487e846_amd64RHSA-2026:42043

Fixed in:operator-bundle@sha256:457832549dec1979b636e42d7a51587f46f2e8ff66b2598369058e6dd2de35dc_amd64RHSA-2026:42043

Fixed in:exec-rhel9@sha256:f75d0e6a4629dbfc1ef62aab71892de395e7bd133cb81ae7f9c2a4a618374595_amd64RHSA-2026:42051

Fixed in:exec-rhel9@sha256:a6cb6402795d9d9ea0e1b68edcaf59ee008b18b00f91a54aa6686993d47a2a77_amd64RHSA-2026:42050

Fixed in:exec-rhel9@sha256:423baadb7daeaf78b5df584e7e5e8f2ad991e0db803a22ec7a90f7d468e55415_amd64RHSA-2026:42047

Fixed in:operator-bundle@sha256:99fff357ed224f5fea600161b7467d28185ec07583240fa4bd21ab146448fe4a_amd64RHSA-2026:42049

Fixed in:rhel9-operator@sha256:83533e30770c22a25bac7f819f41cdb4b706d8955f464341db7b1ad7c81efa40_amd64RHSA-2026:42051

Fixed in:tooling-rhel9@sha256:9c8a6913c0bb401ca4d0287382d758c8cb96f54aae78ad536b35552f7013bd4f_amd64RHSA-2026:42049

Fixed in:tooling-rhel9@sha256:78241066bb3746b9501e5cfd0ce5b6322b1f908309b5e0b145eac28c73d20662_amd64RHSA-2026:42050

Fixed in:tooling-rhel9@sha256:57f584e5e4a25f07cb5a13968b20978c8557715411f55224acf6617ab96a9277_amd64RHSA-2026:42043

Fixed in:operator-bundle@sha256:4b8a34706b2dd9aa95ce68a9bf4813946d311bf7626923a843472b05cfbc8492_amd64RHSA-2026:42050

Fixed in:tooling-rhel9@sha256:82ccda09508a62cc4676a4c1778d7653807ec3cd12defae229989935c5aed999_amd64RHSA-2026:42051

Fixed in:operator-bundle@sha256:7319fa6637e0c4111633194a7e83d0105dda2ee161040eed6901cb7e45b6ad97_amd64RHSA-2026:42047

Fixed in:rhel9-operator@sha256:6791ddb17bc6910099b3277295b24229cec10c0da7b5599d753357673f08c1cd_amd64RHSA-2026:42050

Fixed in:exec-rhel9@sha256:365e1253b8da2ba88ec97ec5b074d16ac46b31fd7eba3baad6587ce8959b11bf_amd64RHSA-2026:42048

registry.redhat.io/web-terminal/web-terminalRocky

Fixed in:exec-rhel9@sha256:a6cb6402795d9d9ea0e1b68edcaf59ee008b18b00f91a54aa6686993d47a2a77_amd64RHSA-2026:42050

Fixed in:exec-rhel9@sha256:d1b0f8f0884aff5087d6c4d0c8a08b1e3952ff58ab91c15d4d6432dcdcf3de08_amd64RHSA-2026:42049

Fixed in:operator-bundle@sha256:457832549dec1979b636e42d7a51587f46f2e8ff66b2598369058e6dd2de35dc_amd64RHSA-2026:42043

Fixed in:rhel9-operator@sha256:f331222fc180e7195d51536dab01692da66ad9049671e034867855dce1e5b656_amd64RHSA-2026:42048

Fixed in:exec-rhel9@sha256:365e1253b8da2ba88ec97ec5b074d16ac46b31fd7eba3baad6587ce8959b11bf_amd64RHSA-2026:42048

Fixed in:tooling-rhel9@sha256:57f584e5e4a25f07cb5a13968b20978c8557715411f55224acf6617ab96a9277_amd64RHSA-2026:42043

Fixed in:tooling-rhel9@sha256:43afcf8bfefccdb35c95d4e875fd610e56e6aba93947c6203fcade80e494e7d8_amd64RHSA-2026:42047

Fixed in:tooling-rhel9@sha256:78241066bb3746b9501e5cfd0ce5b6322b1f908309b5e0b145eac28c73d20662_amd64RHSA-2026:42050

Fixed in:operator-bundle@sha256:122f518c55db3221e08ef3e49dd46892f75d6fbdaffa460c3ce22d8c584f0c93_amd64RHSA-2026:42051

Fixed in:operator-bundle@sha256:99fff357ed224f5fea600161b7467d28185ec07583240fa4bd21ab146448fe4a_amd64RHSA-2026:42049

Fixed in:rhel9-operator@sha256:d32c93e5c790ad660161326837341f968ce0ed9bfd7ad2232ee27a2b56ef2526_amd64RHSA-2026:42047

Fixed in:rhel9-operator@sha256:83533e30770c22a25bac7f819f41cdb4b706d8955f464341db7b1ad7c81efa40_amd64RHSA-2026:42051

Fixed in:exec-rhel9@sha256:423baadb7daeaf78b5df584e7e5e8f2ad991e0db803a22ec7a90f7d468e55415_amd64RHSA-2026:42047

Fixed in:exec-rhel9@sha256:f75d0e6a4629dbfc1ef62aab71892de395e7bd133cb81ae7f9c2a4a618374595_amd64RHSA-2026:42051

Fixed in:rhel9-operator@sha256:3afb7495874dd97d4604d56cc9ca2be352629bb011084c54680a277f6487e846_amd64RHSA-2026:42043

Fixed in:operator-bundle@sha256:25e450ef9a1bbdb5e6d522a98928c0784c483de40f17ee111e8c32e59c4e78c9_amd64RHSA-2026:42048

Fixed in:operator-bundle@sha256:4b8a34706b2dd9aa95ce68a9bf4813946d311bf7626923a843472b05cfbc8492_amd64RHSA-2026:42050

Fixed in:operator-bundle@sha256:7319fa6637e0c4111633194a7e83d0105dda2ee161040eed6901cb7e45b6ad97_amd64RHSA-2026:42047

Fixed in:tooling-rhel9@sha256:9c8a6913c0bb401ca4d0287382d758c8cb96f54aae78ad536b35552f7013bd4f_amd64RHSA-2026:42049

Fixed in:rhel9-operator@sha256:6791ddb17bc6910099b3277295b24229cec10c0da7b5599d753357673f08c1cd_amd64RHSA-2026:42050

Fixed in:exec-rhel9@sha256:79f71e67817f8f200639d5b5f4677a7fe12a6f747e8723967c7591cebf777018_amd64RHSA-2026:42043

Fixed in:tooling-rhel9@sha256:82ccda09508a62cc4676a4c1778d7653807ec3cd12defae229989935c5aed999_amd64RHSA-2026:42051

Fixed in:tooling-rhel9@sha256:fefa9980c5021706ccac27d05086359f45109790089e586221c08271b55b1b25_amd64RHSA-2026:42048

Fixed in:rhel9-operator@sha256:adfc3751f3512134d2e500f5bf57c6bcd4ef570704485436aa584e9d54e3f898_amd64RHSA-2026:42049

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.56%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Other references4

Related Vulnerabilities

Other CWE-407 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-27223	Medium	5.2	78%	-	Fix
CVE-2022-36021	Medium	5.5	60%	-	Fix
CVE-2021-33582	High	7.5	3.1%	-	Fix
CVE-2024-43485	High	7.5	3.1%	-	Fix
CVE-2024-43484	High	7.5	2.9%	-	Fix
CVE-2016-10396	High	7.5	2.9%	-	-

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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 2026-06-04.