CVE & CISA-KEV Catalog

CVE-2026-56852

HIGH
7.5
CVSS v3
NVD

Description

A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.

How to fix

Remediation Available
golang-golang-x-textDebian
Fixed in:0.40.0-1CVE-2026-56852
buildahRed Hat / RHEL
Fixed in:main@srcRHSA-2026:49360
Fixed in:main@x86_64RHSA-2026:51065
Fixed in:main@x86_64RHSA-2026:49360
Fixed in:main@aarch64RHSA-2026:49360
Fixed in:main@aarch64RHSA-2026:51065
Fixed in:main@srcRHSA-2026:51065
buildahRocky
Fixed in:main@aarch64RHSA-2026:49360
Fixed in:main@aarch64RHSA-2026:51065
Fixed in:main@x86_64RHSA-2026:49360
Fixed in:main@srcRHSA-2026:51065
Fixed in:main@srcRHSA-2026:49360
Fixed in:main@x86_64RHSA-2026:51065
cosignRocky
Fixed in:main@aarch64RHSA-2026:54364
Fixed in:main@x86_64RHSA-2026:54364
Fixed in:main@srcRHSA-2026:54364
cosignRed Hat / RHEL
Fixed in:main@aarch64RHSA-2026:54364
Fixed in:main@x86_64RHSA-2026:54364
Fixed in:main@srcRHSA-2026:54364
hugoRocky
Fixed in:main@srcRHSA-2026:54549
Fixed in:main@x86_64RHSA-2026:54549
Fixed in:main@aarch64RHSA-2026:54549
hugoRed Hat / RHEL
Fixed in:main@aarch64RHSA-2026:54549
Fixed in:main@srcRHSA-2026:54549
Fixed in:main@x86_64RHSA-2026:54549
prometheus3Rocky
Fixed in:13-main@aarch64RHSA-2026:49317
Fixed in:13-main@x86_64RHSA-2026:49317
Fixed in:13-main@srcRHSA-2026:49317
prometheus3Red Hat / RHEL
Fixed in:13-main@aarch64RHSA-2026:49317
Fixed in:13-main@x86_64RHSA-2026:49317
Fixed in:13-main@srcRHSA-2026:49317
registry.redhat.io/external-secrets-operator/externalRed Hat / RHEL
Fixed in:secrets-rhel9@sha256:d9cb4c7d68769f943bed8b84299e2d4df5ca209cad85bf0ff44ab80e8fe822c9_amd64RHSA-2026:54525
Fixed in:secrets-rhel9@sha256:27d536de88403ec57239e6fb4c674fd2c5736fefd093df009af4089fb55a682a_arm64RHSA-2026:54525
Fixed in:secrets-rhel9@sha256:6853e928761a2e1980838319fd89592831cda348f3d098fac9aa2873ca4db332_ppc64leRHSA-2026:54525
Fixed in:secrets-rhel9@sha256:534f8dce891c9efd0155ab9408150e5c166ad40f041aaedd80dea623014e66f7_s390xRHSA-2026:54525
registry.redhat.io/external-secrets-operator/externalRocky
Fixed in:secrets-rhel9@sha256:534f8dce891c9efd0155ab9408150e5c166ad40f041aaedd80dea623014e66f7_s390xRHSA-2026:54525
Fixed in:secrets-rhel9@sha256:6853e928761a2e1980838319fd89592831cda348f3d098fac9aa2873ca4db332_ppc64leRHSA-2026:54525
Fixed in:secrets-rhel9@sha256:d9cb4c7d68769f943bed8b84299e2d4df5ca209cad85bf0ff44ab80e8fe822c9_amd64RHSA-2026:54525
Fixed in:secrets-rhel9@sha256:27d536de88403ec57239e6fb4c674fd2c5736fefd093df009af4089fb55a682a_arm64RHSA-2026:54525
registry.redhat.io/openshiftRed Hat / RHEL
Fixed in:logging/eventrouter-rhel9@sha256:958178be4fc3798cdd531660e14514c370ac334b8a27a31a8f08db3244f17341_s390xRHSA-2026:56340
Fixed in:logging/eventrouter-rhel9@sha256:c237813ec28c79232f1f8d5bb2f875157323d10ddceddf3f722cd885c3c5c4d5_ppc64leRHSA-2026:56340
Fixed in:logging/vector-rhel9@sha256:01853cca36a1042f42860bb89048c4a09de76b2cfac412fd78e38fd74376ca39_amd64RHSA-2026:56340
Fixed in:logging/vector-rhel9@sha256:527395e13fedf00d5ffa4a2c70602cab213ff9c826940a529150d6b1df4f7395_arm64RHSA-2026:56340
Fixed in:logging/eventrouter-rhel9@sha256:01271821684bdb4791a1e757092e3799247ac91519f8516599c7cf9080407076_amd64RHSA-2026:56340
Fixed in:logging/eventrouter-rhel9@sha256:b881afc31c6e287608699dfc9d38bf38ff3616b2b133cc4726f0060ce99b16de_arm64RHSA-2026:56340
Fixed in:logging/vector-rhel9@sha256:b3ca415e883c09cf8f42f2b1b63ddf007fae7ac183f2185201efecf48489636e_ppc64leRHSA-2026:56340
Fixed in:logging/vector-rhel9@sha256:4970ca74fcbc6aaf9f64812f37e31426444d041345541d498b12a819cbe29299_s390xRHSA-2026:56340
registry.redhat.io/openshiftRocky
Fixed in:logging/vector-rhel9@sha256:527395e13fedf00d5ffa4a2c70602cab213ff9c826940a529150d6b1df4f7395_arm64RHSA-2026:56340
Fixed in:logging/eventrouter-rhel9@sha256:958178be4fc3798cdd531660e14514c370ac334b8a27a31a8f08db3244f17341_s390xRHSA-2026:56340
Fixed in:logging/eventrouter-rhel9@sha256:01271821684bdb4791a1e757092e3799247ac91519f8516599c7cf9080407076_amd64RHSA-2026:56340
Fixed in:logging/vector-rhel9@sha256:01853cca36a1042f42860bb89048c4a09de76b2cfac412fd78e38fd74376ca39_amd64RHSA-2026:56340
Fixed in:logging/vector-rhel9@sha256:4970ca74fcbc6aaf9f64812f37e31426444d041345541d498b12a819cbe29299_s390xRHSA-2026:56340
Fixed in:logging/eventrouter-rhel9@sha256:b881afc31c6e287608699dfc9d38bf38ff3616b2b133cc4726f0060ce99b16de_arm64RHSA-2026:56340
Fixed in:logging/eventrouter-rhel9@sha256:c237813ec28c79232f1f8d5bb2f875157323d10ddceddf3f722cd885c3c5c4d5_ppc64leRHSA-2026:56340
Fixed in:logging/vector-rhel9@sha256:b3ca415e883c09cf8f42f2b1b63ddf007fae7ac183f2185201efecf48489636e_ppc64leRHSA-2026:56340
registry.redhat.io/openshift-logging/cluster-loggingRed Hat / RHEL
Fixed in:rhel9-operator@sha256:d9bc0d110bbc7b7ec8a2401f34cde12e470980086bb04fc532a9885917c06b7f_amd64RHSA-2026:56340
Fixed in:rhel9-operator@sha256:93e605c4231903b7a73e7578f8977a5c6029c767ab801f29b726d2e6ff290feb_arm64RHSA-2026:56340
Fixed in:rhel9-operator@sha256:ee6505e36b31ecc38b080c2e56b7b26afd3c7db9b30d17947e6bcb6cf7f0e44e_s390xRHSA-2026:56340
Fixed in:rhel9-operator@sha256:5b4e3a421f13bd33d03185f4071b3e633767eb06a9875a02ca793d43fd1514c7_ppc64leRHSA-2026:56340
Fixed in:operator-bundle@sha256:40c83c7127b6b90b9984b3c73b3cbad1c3a8f7af3dc792e5320d6defb9eb22e0_amd64RHSA-2026:56340
registry.redhat.io/openshift-logging/cluster-loggingRocky
Fixed in:operator-bundle@sha256:40c83c7127b6b90b9984b3c73b3cbad1c3a8f7af3dc792e5320d6defb9eb22e0_amd64RHSA-2026:56340
Fixed in:rhel9-operator@sha256:93e605c4231903b7a73e7578f8977a5c6029c767ab801f29b726d2e6ff290feb_arm64RHSA-2026:56340
Fixed in:rhel9-operator@sha256:5b4e3a421f13bd33d03185f4071b3e633767eb06a9875a02ca793d43fd1514c7_ppc64leRHSA-2026:56340
Fixed in:rhel9-operator@sha256:ee6505e36b31ecc38b080c2e56b7b26afd3c7db9b30d17947e6bcb6cf7f0e44e_s390xRHSA-2026:56340
Fixed in:rhel9-operator@sha256:d9bc0d110bbc7b7ec8a2401f34cde12e470980086bb04fc532a9885917c06b7f_amd64RHSA-2026:56340
registry.redhat.io/openshift-logging/log-file-metricRed Hat / RHEL
Fixed in:exporter-rhel9@sha256:8d334ebdf403e2a15a664c1960044c6852f3e00b55ce2f2e808f6213ae70e00f_s390xRHSA-2026:56340
Fixed in:exporter-rhel9@sha256:15b1be865c1d4df2fd1171acb46922ba864555b18dfc71febd372e11a5d0eb8e_amd64RHSA-2026:56340
Fixed in:exporter-rhel9@sha256:55c2e8cbb4c7e89ed719c136d401c1fa49198e4a98a2dfe78c5eacb5ee2cadc8_ppc64leRHSA-2026:56340
Fixed in:exporter-rhel9@sha256:ceb52082d9002ba1762e6653bc39b4253f05a7cd58a42c664c7a658e6133a7e8_arm64RHSA-2026:56340
registry.redhat.io/openshift-logging/log-file-metricRocky
Fixed in:exporter-rhel9@sha256:55c2e8cbb4c7e89ed719c136d401c1fa49198e4a98a2dfe78c5eacb5ee2cadc8_ppc64leRHSA-2026:56340
Fixed in:exporter-rhel9@sha256:8d334ebdf403e2a15a664c1960044c6852f3e00b55ce2f2e808f6213ae70e00f_s390xRHSA-2026:56340
Fixed in:exporter-rhel9@sha256:15b1be865c1d4df2fd1171acb46922ba864555b18dfc71febd372e11a5d0eb8e_amd64RHSA-2026:56340
Fixed in:exporter-rhel9@sha256:ceb52082d9002ba1762e6653bc39b4253f05a7cd58a42c664c7a658e6133a7e8_arm64RHSA-2026:56340
registry.redhat.io/openshift-logging/loggingRocky
Fixed in:loki-rhel9@sha256:18ea59f76a1ddd747712fbb3314f55cfdefb4e12a39ad9f0d22c26d25e8b04b4_s390xRHSA-2026:56340
Fixed in:loki-rhel9@sha256:17a67ac2934041f996b19574bbeffa9e56d8486969785ae219215384cfd4162f_amd64RHSA-2026:56340
Fixed in:loki-rhel9@sha256:1c687dff9904d440a9efefc95bd82ac1cf10df5c030ee8a3164621bc84e447fc_arm64RHSA-2026:56340
Fixed in:loki-rhel9@sha256:fad58cb6ca31afd96f8ef741cad73c4328c24361dfad022848c227f129c5b4b5_ppc64leRHSA-2026:56340
registry.redhat.io/openshift-logging/loggingRed Hat / RHEL
Fixed in:loki-rhel9@sha256:fad58cb6ca31afd96f8ef741cad73c4328c24361dfad022848c227f129c5b4b5_ppc64leRHSA-2026:56340
Fixed in:loki-rhel9@sha256:17a67ac2934041f996b19574bbeffa9e56d8486969785ae219215384cfd4162f_amd64RHSA-2026:56340
Fixed in:loki-rhel9@sha256:18ea59f76a1ddd747712fbb3314f55cfdefb4e12a39ad9f0d22c26d25e8b04b4_s390xRHSA-2026:56340
Fixed in:loki-rhel9@sha256:1c687dff9904d440a9efefc95bd82ac1cf10df5c030ee8a3164621bc84e447fc_arm64RHSA-2026:56340
registry.redhat.io/openshift-logging/lokiRed Hat / RHEL
Fixed in:rhel9-operator@sha256:902fe34ead11574878df61323db6ac53f3ad55d13d40f72b8d514ea0356e1a81_arm64RHSA-2026:56340
Fixed in:rhel9-operator@sha256:51538cb4de3a2767509d5a7869f9a63a054416e7163c38714bce9bd83da1b619_ppc64leRHSA-2026:56340
Fixed in:rhel9-operator@sha256:e2a0befa5c4dbcb56ef33f46ccdb27d5e02f8f5facdbf2fa0b9c6e6dd53a476e_amd64RHSA-2026:56340
Fixed in:operator-bundle@sha256:21c630e1de77a6e18b0b774ebfc5ccef2191fef60da0c7914d0a81d5be236ea3_amd64RHSA-2026:56340
Fixed in:rhel9-operator@sha256:bff77adab78f874b962324a9674157383dfe4570309d24c7b2a6acebead62a39_s390xRHSA-2026:56340
registry.redhat.io/openshift-logging/lokiRocky
Fixed in:rhel9-operator@sha256:902fe34ead11574878df61323db6ac53f3ad55d13d40f72b8d514ea0356e1a81_arm64RHSA-2026:56340
Fixed in:rhel9-operator@sha256:bff77adab78f874b962324a9674157383dfe4570309d24c7b2a6acebead62a39_s390xRHSA-2026:56340
Fixed in:rhel9-operator@sha256:e2a0befa5c4dbcb56ef33f46ccdb27d5e02f8f5facdbf2fa0b9c6e6dd53a476e_amd64RHSA-2026:56340
Fixed in:rhel9-operator@sha256:51538cb4de3a2767509d5a7869f9a63a054416e7163c38714bce9bd83da1b619_ppc64leRHSA-2026:56340
Fixed in:operator-bundle@sha256:21c630e1de77a6e18b0b774ebfc5ccef2191fef60da0c7914d0a81d5be236ea3_amd64RHSA-2026:56340
registry.redhat.io/openshift-logging/lokistackRed Hat / RHEL
Fixed in:gateway-rhel9@sha256:f49b88b70726cb222fa43685d3a6704ccd8778a2a82b7c5c4aee4b47c54d3bcb_amd64RHSA-2026:56340
Fixed in:gateway-rhel9@sha256:a6a946b8e424db855be70e94c1cab3e5dcf56be8b5caec8d48b3b4579310a25a_ppc64leRHSA-2026:56340
Fixed in:gateway-rhel9@sha256:9ffa7e5a2ed3f92a6eb30792dc878add38b41f7ce5ca03a6f1a2c8b12300070a_s390xRHSA-2026:56340
Fixed in:gateway-rhel9@sha256:de70e3309c799110feacba1b6d64bf153818e21790500da6ea75c05f276bedcd_arm64RHSA-2026:56340
registry.redhat.io/openshift-logging/lokistackRocky
Fixed in:gateway-rhel9@sha256:9ffa7e5a2ed3f92a6eb30792dc878add38b41f7ce5ca03a6f1a2c8b12300070a_s390xRHSA-2026:56340
Fixed in:gateway-rhel9@sha256:de70e3309c799110feacba1b6d64bf153818e21790500da6ea75c05f276bedcd_arm64RHSA-2026:56340
Fixed in:gateway-rhel9@sha256:f49b88b70726cb222fa43685d3a6704ccd8778a2a82b7c5c4aee4b47c54d3bcb_amd64RHSA-2026:56340
Fixed in:gateway-rhel9@sha256:a6a946b8e424db855be70e94c1cab3e5dcf56be8b5caec8d48b3b4579310a25a_ppc64leRHSA-2026:56340
registry.redhat.io/openshift-logging/opaRocky
Fixed in:openshift-rhel9@sha256:11caeb0f6c63f361d12e2c223aa0e1e363c79d8495a008f5b996184dfdd15d57_ppc64leRHSA-2026:56340
Fixed in:openshift-rhel9@sha256:deefcb8674d1899581331ba7899baedb7f9c5355b2b3e4f11b5414b1ae58a8be_amd64RHSA-2026:56340
Fixed in:openshift-rhel9@sha256:f980269a8879cd0dced67eec6e2ec9f708b347e4d49981fafccc6c795f73e4cf_s390xRHSA-2026:56340
Fixed in:openshift-rhel9@sha256:66b2f52b2abd9e3a1fcd1ef4aa926a0f8613730918a2b7743ce61d1ce9b103c7_arm64RHSA-2026:56340
registry.redhat.io/openshift-logging/opaRed Hat / RHEL
Fixed in:openshift-rhel9@sha256:deefcb8674d1899581331ba7899baedb7f9c5355b2b3e4f11b5414b1ae58a8be_amd64RHSA-2026:56340
Fixed in:openshift-rhel9@sha256:11caeb0f6c63f361d12e2c223aa0e1e363c79d8495a008f5b996184dfdd15d57_ppc64leRHSA-2026:56340
Fixed in:openshift-rhel9@sha256:66b2f52b2abd9e3a1fcd1ef4aa926a0f8613730918a2b7743ce61d1ce9b103c7_arm64RHSA-2026:56340
Fixed in:openshift-rhel9@sha256:f980269a8879cd0dced67eec6e2ec9f708b347e4d49981fafccc6c795f73e4cf_s390xRHSA-2026:56340
registry.redhat.io/rhosdt/opentelemetryRed Hat / RHEL
Fixed in:collector-rhel9@sha256:5fbadafe265cf3a6b7994e2185ab80637fb7c948660fe5bde736e4491c02df8c_amd64RHSA-2026:54773
Fixed in:rhel9-operator@sha256:abef9f5d634f690962567b4c6aece4d8b2d1d4f3ededdac4a82ef80c9bde3f0b_s390xRHSA-2026:54773
Fixed in:rhel9-operator@sha256:e31d5bcb7f377991379b5b7937a24bfabbd70e71fec7f52a7baa0f1395f46b1c_amd64RHSA-2026:54773
Fixed in:collector-rhel9@sha256:4daff72e5257f71fe794493fa1f27b57719589e638538415daf0d85f1a803e67_ppc64leRHSA-2026:54773
Fixed in:collector-rhel9@sha256:a151f50548894ffd4de491bfa60ef61f3b6e3b63bbb2ebd2e8ef75c8f57ad05b_arm64RHSA-2026:54773
Fixed in:operator-bundle@sha256:cbb89b45c9bc69e2b2f13c9be41330675f90e961fc91f5f0daf8dbb894c80141_amd64RHSA-2026:54773
Fixed in:rhel9-operator@sha256:237f26db42385fcc3d9e68488e8d0364188b3d7f2e51f116dd787a0a77573c8c_arm64RHSA-2026:54773
Fixed in:collector-rhel9@sha256:2ecb3b747ea5a5bb9deba0671b67c13637abfe7683285e0d4bb082fffe486cef_s390xRHSA-2026:54773
registry.redhat.io/rhosdt/opentelemetryRocky
Fixed in:rhel9-operator@sha256:237f26db42385fcc3d9e68488e8d0364188b3d7f2e51f116dd787a0a77573c8c_arm64RHSA-2026:54773
Fixed in:rhel9-operator@sha256:abef9f5d634f690962567b4c6aece4d8b2d1d4f3ededdac4a82ef80c9bde3f0b_s390xRHSA-2026:54773
Fixed in:operator-bundle@sha256:cbb89b45c9bc69e2b2f13c9be41330675f90e961fc91f5f0daf8dbb894c80141_amd64RHSA-2026:54773
Fixed in:collector-rhel9@sha256:5fbadafe265cf3a6b7994e2185ab80637fb7c948660fe5bde736e4491c02df8c_amd64RHSA-2026:54773
Fixed in:rhel9-operator@sha256:65d22c3675dcf5c5b6f02439d551a642288f5fe8cf47d22224d90eb8e00dc4ce_ppc64leRHSA-2026:54773
Fixed in:collector-rhel9@sha256:4daff72e5257f71fe794493fa1f27b57719589e638538415daf0d85f1a803e67_ppc64leRHSA-2026:54773
Fixed in:rhel9-operator@sha256:e31d5bcb7f377991379b5b7937a24bfabbd70e71fec7f52a7baa0f1395f46b1c_amd64RHSA-2026:54773
Fixed in:collector-rhel9@sha256:a151f50548894ffd4de491bfa60ef61f3b6e3b63bbb2ebd2e8ef75c8f57ad05b_arm64RHSA-2026:54773
registry.redhat.io/rhosdt/opentelemetry-targetRocky
Fixed in:allocator-rhel9@sha256:a6ca99af9e3f5135fea5e9cf79bf57b0b52af3fe4e65ee803aee6d4f507c0642_s390xRHSA-2026:54773
Fixed in:allocator-rhel9@sha256:4513b678c1fd5685ae53f5eca152885e7469a22e6beddd16213c9ad07b34cb74_arm64RHSA-2026:54773
Fixed in:allocator-rhel9@sha256:951749ffe7b80087f603963c246ba8fe6e302a32f767c73dd77993760720328f_ppc64leRHSA-2026:54773
Fixed in:allocator-rhel9@sha256:a471bb659af2f377be4a0f9e5457b0d5f304c292e4c3cb6f977332e110244264_amd64RHSA-2026:54773
registry.redhat.io/rhosdt/opentelemetry-targetRed Hat / RHEL
Fixed in:allocator-rhel9@sha256:a471bb659af2f377be4a0f9e5457b0d5f304c292e4c3cb6f977332e110244264_amd64RHSA-2026:54773
Fixed in:allocator-rhel9@sha256:951749ffe7b80087f603963c246ba8fe6e302a32f767c73dd77993760720328f_ppc64leRHSA-2026:54773
Fixed in:allocator-rhel9@sha256:4513b678c1fd5685ae53f5eca152885e7469a22e6beddd16213c9ad07b34cb74_arm64RHSA-2026:54773
Fixed in:allocator-rhel9@sha256:a6ca99af9e3f5135fea5e9cf79bf57b0b52af3fe4e65ee803aee6d4f507c0642_s390xRHSA-2026:54773
skopeoRocky
Fixed in:main@x86_64RHSA-2026:52912
Fixed in:main@srcRHSA-2026:52912
Fixed in:main@aarch64RHSA-2026:52912

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 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

0.45%probability of exploitation in 30 days
37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-13935High7.587%-Fix
CVE-2020-36227High7.578%-Fix
CVE-2022-0778High7.573%-Fix
CVE-2024-20353High8.671%KEV-
CVE-2023-34966High7.562%-Fix
CVE-2019-14241High7.561%--

Common questions

How do I fix CVE-2026-56852?

Published advisories record a fix for 31 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-2026-56852 being actively exploited?

Not that we know of. CVE-2026-56852 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.45% is the estimated probability that it will be exploited in the next 30 days. That is higher than 37% of all scored CVEs.

How severe is CVE-2026-56852?

CVE-2026-56852 has a CVSS v3 base score of 7.5, rated important. 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-2026-56852 affect?

Published advisories record a fix for golang-golang-x-text (Debian), buildah (Red Hat / RHEL), buildah (Rocky), cosign (Rocky), and 27 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2026-07-23.