Read the docs
TI-2024-22792 Aliases CVE-2024-34459GHSA-vv62-jfwq-693v

An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7.

Priority HIGH 72CWE-122Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 35 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.018 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 23 advisoriesRed Hat: 35 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*before 2.11.8; 2.12.0 to before 2.12.7Vulnerablexmlsoft
  • cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* Versions before 2.11.8; 2.12.0 to before 2.12.7 Vulnerable ·xmlsoft

Remediation

Red Hat 23 advisories

  • RHSA-2026:82888 Released 2026-10-14 · Red Hat rating Important
    cert-manager Operator for Red Hat OpenShift 1.17.2
    • Cert Manager support for Red Hat OpenShift release 1.17 registry.redhat.io/cert-manager/cert-manager-operator-bundle
  • RHSA-2026:82857 Released 2026-10-14 · Red Hat rating Important
    cert-manager Operator for Red Hat OpenShift 1.18.2
    • Cert Manager support for Red Hat OpenShift release 1.18 registry.redhat.io/cert-manager/cert-manager-operator-bundle
  • RHSA-2026:82372 Released 2026-10-13 · Red Hat rating Important
    cert-manager Operator for Red Hat OpenShift 1.18.2
    • Cert Manager support for Red Hat OpenShift release 1.18 registry.redhat.io/cert-manager/cert-manager-operator-rhel9
Show 20 more Red Hat advisories
  • RHSA-2026:82354 Released 2026-10-13 · Red Hat rating Important
    cert-manager Operator for Red Hat OpenShift 1.18.2
    • Cert Manager support for Red Hat OpenShift release 1.18 registry.redhat.io/cert-manager/cert-manager-istio-csr-rhel9
  • RHSA-2026:82347 Released 2026-10-13 · Red Hat rating Important
    cert-manager Operator for Red Hat OpenShift 1.18.2
    • Cert Manager support for Red Hat OpenShift release 1.18 registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9
  • RHSA-2026:82322 Released 2026-10-13 · Red Hat rating Important
    cert-manager Operator for Red Hat OpenShift 1.17.2
    • Cert Manager support for Red Hat OpenShift release 1.17 registry.redhat.io/cert-manager/cert-manager-operator-rhel9
  • RHSA-2026:82304 Released 2026-10-13 · Red Hat rating Important
    cert-manager Operator for Red Hat OpenShift 1.17.2
    • Cert Manager support for Red Hat OpenShift release 1.17 registry.redhat.io/cert-manager/jetstack-cert-manager-acmesolver-rhel9, registry.redhat.io/cert-manager/jetstack-cert-manager-rhel9
  • RHSA-2026:74674 Released 2026-10-01 · Red Hat rating Important
    Red Hat AI Base Images 3.4.3 (Neuron)
    • Red Hat OpenShift AI 3.4 registry.redhat.io/rhai/base-image-neuron-rhel9
  • RHSA-2026:72502 Released 2026-09-28 · Red Hat rating Important
    cert-manager Operator for Red Hat OpenShift 1.20.1
    • Cert Manager support for Red Hat OpenShift release 1.20 registry.redhat.io/cert-manager/cert-manager-trust-manager-rhel9
  • RHSA-2026:58981 Released 2026-08-24 · Red Hat rating Critical
    Red Hat Update Infrastructure 5.3 Technology Preview security update
    • Red Hat Update Infrastructure 5 registry.redhat.io/rhui5/cds-kubernetes-tp-rhel9, registry.redhat.io/rhui5/installer-tp-rhel9, registry.redhat.io/rhui5/rhua-tp-rhel9
  • RHSA-2026:44481 Released 2026-07-23 · Red Hat rating Important
    Red Hat Update Infrastructure 5.2 security update
    • Red Hat Update Infrastructure 5 registry.redhat.io/rhui5/cds-kubernetes-rhel9, registry.redhat.io/rhui5/cds-rhel9, registry.redhat.io/rhui5/haproxy-rhel9 +2
  • RHSA-2026:34102 Released 2026-07-01 · Red Hat rating Important
    Insights proxy Container Image
    • Red Hat Insights proxy 1.5 registry.redhat.io/insights-proxy/insights-proxy-container-rhel9
  • RHSA-2026:33632 Released 2026-06-30 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) libxml2-devel-2.9.13-13.el9_4.1
    • Red Hat Enterprise Linux BaseOS E4S (v.9.4) libxml2-2.9.13-13.el9_4.1, python3-libxml2-2.9.13-13.el9_4.1
  • RHSA-2026:33634 Released 2026-06-30 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) libxml2-devel-2.9.13-12.el9_6.2
    • Red Hat Enterprise Linux BaseOS EUS (v.9.6) libxml2-2.9.13-12.el9_6.2, python3-libxml2-2.9.13-12.el9_6.2
  • RHSA-2026:33633 Released 2026-06-30 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) libxml2-devel-2.9.13-3.el9_2.11
    • Red Hat Enterprise Linux BaseOS E4S (v.9.2) libxml2-2.9.13-3.el9_2.11, python3-libxml2-2.9.13-3.el9_2.11
  • RHSA-2026:33635 Released 2026-06-30 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) libxml2-devel-2.12.5-9.el10_0.1
    • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) libxml2-2.12.5-9.el10_0.1, python3-libxml2-2.12.5-9.el10_0.1
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) libxml2-static-2.12.5-9.el10_0.1
  • RHSA-2026:33313 Released 2026-06-29 · Red Hat rating Important
    A Subscription Management tool for finding and reporting Red Hat product usage
    • Red Hat Discovery 2 registry.redhat.io/discovery/discovery-server-rhel9, registry.redhat.io/discovery/discovery-ui-rhel9
  • RHSA-2026:28254 Released 2026-06-23 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream (v. 9) libxml2-devel-2.9.13-14.el9_8.1
    • Red Hat Enterprise Linux BaseOS (v. 9) libxml2-2.9.13-14.el9_8.1, python3-libxml2-2.9.13-14.el9_8.1
  • RHSA-2026:28234 Released 2026-06-23 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream (v. 10) libxml2-devel-2.12.5-10.el10_2.1
    • Red Hat Enterprise Linux BaseOS (v. 10) libxml2-2.12.5-10.el10_2.1, python3-libxml2-2.12.5-10.el10_2.1
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) libxml2-static-2.12.5-10.el10_2.1
  • RHSA-2026:27739 Released 2026-06-22 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) libxml2-devel-2.9.7-16.el8_8.14
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) libxml2-devel-2.9.7-16.el8_8.14
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) libxml2-2.9.7-16.el8_8.14, python3-libxml2-2.9.7-16.el8_8.14
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) libxml2-2.9.7-16.el8_8.14, python3-libxml2-2.9.7-16.el8_8.14
  • RHSA-2026:27737 Released 2026-06-22 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) libxml2-devel-2.9.7-13.el8_6.14
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) libxml2-devel-2.9.7-13.el8_6.14
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) libxml2-2.9.7-13.el8_6.14, python3-libxml2-2.9.7-13.el8_6.14
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) libxml2-2.9.7-13.el8_6.14, python3-libxml2-2.9.7-13.el8_6.14
  • RHSA-2026:27736 Released 2026-06-22 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) libxml2-devel-2.9.7-9.el8_4.10
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) libxml2-devel-2.9.7-9.el8_4.10
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) libxml2-2.9.7-9.el8_4.10, python3-libxml2-2.9.7-9.el8_4.10
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) libxml2-2.9.7-9.el8_4.10, python3-libxml2-2.9.7-9.el8_4.10
  • RHSA-2026:26354 Released 2026-06-16 · Red Hat rating Low
    libxml2 security update
    • Red Hat Enterprise Linux AppStream (v. 8) libxml2-devel-2.9.7-21.el8_10.5
    • Red Hat Enterprise Linux BaseOS (v. 8) libxml2-2.9.7-21.el8_10.5, python3-libxml2-2.9.7-21.el8_10.5

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Cert Manager support for Red Hat OpenShift release 1.17Fixed RHSA-2026:82304, RHSA-2026:82322, RHSA-2026:82888
Cert Manager support for Red Hat OpenShift release 1.18Fixed RHSA-2026:82347, RHSA-2026:82354, RHSA-2026:82372, RHSA-2026:82857
Cert Manager support for Red Hat OpenShift release 1.20Fixed RHSA-2026:72502
Red Hat Discovery 2Fixed RHSA-2026:33313
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:28234
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:26354
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:28254
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:27736
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:27737
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:27739
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:33633
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:33632
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:33635
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:33634
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:27736
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Fixed RHSA-2026:27737
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:27739
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:28234
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:26354
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:28254
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2026:27736
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2026:27737
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2026:27739
Red Hat Enterprise Linux BaseOS E4S (v.9.2)Fixed RHSA-2026:33633
Red Hat Enterprise Linux BaseOS E4S (v.9.4)Fixed RHSA-2026:33632
Red Hat Enterprise Linux BaseOS EUS (v. 10.0)Fixed RHSA-2026:33635
Red Hat Enterprise Linux BaseOS EUS (v.9.6)Fixed RHSA-2026:33634
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2026:27736
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)Fixed RHSA-2026:27737
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2026:27739
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:28234
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:33635
Red Hat Insights proxy 1.5Fixed RHSA-2026:34102
Red Hat OpenShift AI 3.4Fixed RHSA-2026:74674
Red Hat Update Infrastructure 5Fixed RHSA-2026:44481, RHSA-2026:58981
Not affected: 2 products
  • Red Hat JBoss Core Services
  • Red Hat Update Infrastructure 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-34459
  2. 2026-10-03 Alias added: GHSA-vv62-jfwq-693v
  3. 2026-10-14 Fix available: RHSA-2026:82304 · Red Hat
  4. 2026-10-14 Fix available: RHSA-2026:82322 · Red Hat
  5. 2026-10-14 Fix available: RHSA-2026:82372 · Red Hat
  6. 2026-10-14 Fix available: RHSA-2026:82354 · Red Hat
  7. 2026-10-14 Fix available: RHSA-2026:82347 · Red Hat
  8. 2026-10-15 Fix available: RHSA-2026:82857 · Red Hat
  9. 2026-10-15 Fix available: RHSA-2026:82888 · Red Hat
  10. 2026-10-16 Fix available: Cert Manager support for Red Hat OpenShift release 1.17, Cert Manager support for Red Hat OpenShift release 1.18 · Red Hat

References

Exploit 1

Advisory 3

Other 2

  • TI-2020-06117 xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation. CVSS 3.1HIGH 7.5
  • TI-2025-05441 Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2 CVSS 3.1HIGH 7.5
  • TI-2017-06514 libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the… CVSS 3.1HIGH 7.5
  • TI-2022-19140 An issue was discovered in libxml2 before 2.10.3. CVSS 3.1HIGH 7.5
  • TI-2025-23491 Out-of-bounds read in xmlsoft libxml2 CVSS 3.1HIGH 7.5
  • TI-2025-23490 In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur… CVSS 3.1HIGH 7.5
See all 114 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences