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TI-2026-56775 Aliases CVE-2026-82327GHSA-f53h-vhp4-v9wx

Improper array index validation in Red Hat Enterprise Linux 10

Priority LOW 24CWE-129Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-129 and the CVSS impact.

Summary

A flaw was found in libsolv, a dependency-resolution library used by RPM-based package managers such as dnf and zypper to work with .solv repository cache files. When libsolv rewrites a .solv cache file, it reads directory-id values from the file's compressed filelist data without validating that they fall within the expected range. A corrupted or specially crafted .solv cache file (for example, one left in a torn state after an unclean system shutdown) can cause an out-of-bounds memory write when a tool such as dnf, yum, or zypper next processes it. Successful exploitation is expected to result in a crash of the affected tool (denial of service); it is not expected to allow arbitrary code execution because the out-of-bounds write always stores a fixed, non-attacker-controlled value.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00163 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
Red HatRed Hat Enterprise Linux 10——No fix listedCNA
Red HatRed Hat Enterprise Linux 7——No fix listedCNA
Red HatRed Hat Enterprise Linux 8——No fix listedCNA
Red HatRed Hat Enterprise Linux 9——No fix listedCNA
Red HatRed Hat Hardened Images——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift AI (RHOAI)——Not affectedCNA
Red HatRed Hat OpenShift Container Platform 4——No fix listedCNA
Red HatRed Hat OpenShift Container Platform 4——No fix listedCNA
Red HatRed Hat OpenShift Container Platform 5——No fix listedCNA
Red HatRed Hat Satellite 6——No fix listedCNA
Red HatRed Hat Satellite 6——No fix listedCNA
Red HatRed Hat Satellite 6——No fix listedCNA
Red HatRed Hat Satellite 6——No fix listedCNA
Red HatRed Hat Update Infrastructure 4 for Cloud Providers——No fix listedCNA
  • Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Hardened Images VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — Not affected CNA
  • Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift Container Platform 5 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Satellite 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Satellite 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Satellite 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Satellite 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Update Infrastructure 4 for Cloud Providers VendorRed Hat Affected — Fixed in — No fix listed CNA

CPE names CNA · 10

CPEVersionsRoleVendor
cpe:/a:redhat:enterprise_linux:1010—Red Hat
cpe:/o:redhat:rhel_els:77—Red Hat
cpe:/a:redhat:enterprise_linux:88—Red Hat
cpe:/a:redhat:enterprise_linux:99—Red Hat
cpe:/a:redhat:hummingbird:11—Red Hat
cpe:/a:redhat:openshift_ai——Red Hat
cpe:/a:redhat:openshift:44—Red Hat
cpe:/a:redhat:openshift:55—Red Hat
cpe:/a:redhat:satellite:66—Red Hat
cpe:/a:redhat:rhui:4::el84—Red Hat
  • cpe:/a:redhat:enterprise_linux:10 Versions 10 — ·Red Hat
  • cpe:/o:redhat:rhel_els:7 Versions 7 — ·Red Hat
  • cpe:/a:redhat:enterprise_linux:8 Versions 8 — ·Red Hat
  • cpe:/a:redhat:enterprise_linux:9 Versions 9 — ·Red Hat
  • cpe:/a:redhat:hummingbird:1 Versions 1 — ·Red Hat
  • cpe:/a:redhat:openshift_ai Versions — — ·Red Hat
  • cpe:/a:redhat:openshift:4 Versions 4 — ·Red Hat
  • cpe:/a:redhat:openshift:5 Versions 5 — ·Red Hat
  • cpe:/a:redhat:satellite:6 Versions 6 — ·Red Hat
  • cpe:/a:redhat:rhui:4::el8 Versions 4 — ·Red Hat

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat Hardened ImagesAffectedNo fix yet
Red Hat OpenShift AI (RHOAI)Affected—
Red Hat OpenShift Container Platform 4AffectedNo fix yet: Fix deferred
Red Hat OpenShift Container Platform 5AffectedNo fix yet: Fix deferred
Red Hat Satellite 6AffectedNo fix yet: Fix deferred
Red Hat Update Infrastructure 4 for Cloud ProvidersAffectedNo fix yet: Fix deferred
Not affected: 1 product
  • Red Hat OpenShift AI (RHOAI)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-82327
  2. 2026-10-03 Alias added: GHSA-f53h-vhp4-v9wx
  3. 2026-10-21 Affected versions changed · Red Hat
  4. 2026-10-21 Affected versions changed · CNA
  5. 2026-10-21 Affected versions changed · CNA
  6. 2026-10-22 Affected versions changed · Red Hat
  7. 2026-11-06 Affected versions changed · CNA
  8. 2026-11-06 Affected versions changed · Red Hat
  9. 2026-11-06 Affected versions changed · CNA
  10. 2026-11-06 Affected versions changed · Red Hat

References

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7413 →

Sources