RHSA-2026:82347 | Vulnetix

RHSA-2026:82347 PUBLISHED CVSS 5.400000095367432 MEDIUM

A flaw was found in the xmllint program distributed by the libxml2 package. A buffer over-read in the xmlHTMLPrintFileContext function in the xmllint.c file may be triggered when a crafted file is processed with the xmllint program using the `--htmlout` command line option, causing an application crash and resulting in a denial of service.

Risk Scores

CVSS 3.1

5.400000095367432

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

Affected Products

Vendor	Product	Versions
Red Hat	registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:6052c521b710b78ef886f3f18992e97d27454035ab382a9b0970f5bf01dead95_amd64 as a component of Cert Manager support for Red Hat OpenShift release 1.18	*
Red Hat	registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:f6ee22c19aabadf9c4af8cd39e15706483545eec39639077ce1531b1b825dc53_arm64 as a component of Cert Manager support for Red Hat OpenShift release 1.18	*
Red Hat	registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:c1ed2980c83e80bf361b7133c4d749deca46f087f129138daaa84a8bd0caf84e_ppc64le as a component of Cert Manager support for Red Hat OpenShift release 1.18	*
Red Hat	registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:014ca522d31a911be66613a20e4aaf6a79139322f79ffd8b2139d3c399b59d76_s390x as a component of Cert Manager support for Red Hat OpenShift release 1.18	*
Red Hat	registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:4edc614409d7ea9eaa011e6904797947edee52b9788bd385a2094e51afdf1c4b_ppc64le as a component of Cert Manager support for Red Hat OpenShift release 1.18	*
Red Hat	registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:3fa077445590f29903a284a37839a0f48cbe4c8ae253ff23cf9c647edeb8914c_arm64 as a component of Cert Manager support for Red Hat OpenShift release 1.18	*
Red Hat	registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:5706e460c6de491bed209e341216218dfa84414c0f6d0799e199ae0cfa888ddf_s390x as a component of Cert Manager support for Red Hat OpenShift release 1.18	*
Red Hat	registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9@sha256:285e7a5a273dffc96b36683db5fbf8afa8aac9644cc05ab2351d050a8d2f1d4c_amd64 as a component of Cert Manager support for Red Hat OpenShift release 1.18	*

Timeline

Oct 13, 2026 CVE Published
Oct 15, 2026 CVE Updated
Oct 15, 2026 Distribution Patch
Oct 15, 2026 Distribution Patch
Oct 15, 2026 Security Advisory
Oct 15, 2026 Security Advisory
Oct 15, 2026 Security Advisory
Oct 15, 2026 Security Advisory
Oct 15, 2026 Security Advisory
Oct 15, 2026 Security Advisory
Oct 15, 2026 Security Advisory
Oct 15, 2026 Security Advisory

References

https://access.redhat.com/errata/RHSA-2026:82347 advisory
https://access.redhat.com/security/cve/CVE-2024-34459 advisory
https://access.redhat.com/security/cve/CVE-2025-11187 advisory
https://access.redhat.com/security/cve/CVE-2025-13151 advisory
https://access.redhat.com/security/cve/CVE-2025-14087 advisory
https://access.redhat.com/security/cve/CVE-2025-14104 advisory
https://access.redhat.com/security/cve/CVE-2025-14512 advisory
https://access.redhat.com/security/cve/CVE-2025-14831 advisory
https://access.redhat.com/security/cve/CVE-2025-15281 advisory
https://access.redhat.com/security/cve/CVE-2025-15467 advisory
https://access.redhat.com/security/cve/CVE-2025-15468 advisory
https://access.redhat.com/security/cve/CVE-2025-15469 advisory
https://access.redhat.com/security/cve/CVE-2025-5278 advisory
https://access.redhat.com/security/cve/CVE-2025-6170 advisory
https://access.redhat.com/security/cve/CVE-2025-61726 advisory
https://access.redhat.com/security/cve/CVE-2025-61728 advisory
https://access.redhat.com/security/cve/CVE-2025-61730 advisory
https://access.redhat.com/security/cve/CVE-2025-66199 advisory
https://access.redhat.com/security/cve/CVE-2025-68121 advisory
https://access.redhat.com/security/cve/CVE-2025-68160 advisory

…and 659 more

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