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TI-2026-05603 Aliases CVE-2026-6385GHSA-q22x-99q7-fr6w

Integer overflow in Red Hat Lightspeed Core

Priority LOW 29CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Deferred Red Hat: fix deferred

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

A flaw was found in FFmpeg. A remote attacker could exploit this vulnerability by providing a specially crafted MPEG-PS/VOB media file containing a malicious DVD subtitle stream. This vulnerability is caused by a signed integer overflow in the DVD subtitle parser's fragment reassembly bounds checks, leading to a heap out-of-bounds write. Successful exploitation can result in a denial of service (DoS) due to an application crash, and potentially lead to arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00437 38th percentileScored 2026-11-07
Fix Deferred Red Hat: fix deferred

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 HatLightspeed Core——No fix listedCNA
Red HatRed Hat AI Inference Server——No fix listedCNA
Red HatRed Hat Enterprise Linux AI (RHEL AI) 3——No fix listedCNA
Red HatRed Hat Enterprise Linux AI (RHEL AI) 3——No fix listedCNA
Red HatRed Hat Enterprise Linux AI (RHEL AI) 3——No fix listedCNA
Red HatRed Hat Enterprise Linux AI (RHEL AI) 3——No fix listedCNA
Red HatRed Hat Enterprise Linux AI (RHEL AI) 3——No fix listedCNA
Red HatRed Hat Enterprise Linux AI (RHEL AI) 3——No fix listedCNA
Red HatRed Hat Enterprise Linux AI (RHEL AI) 3——No fix listedCNA
Red HatRed Hat OpenShift AI (RHOAI)——No fix listedCNA
  • Lightspeed Core VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat AI Inference Server VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux AI (RHEL AI) 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux AI (RHEL AI) 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux AI (RHEL AI) 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux AI (RHEL AI) 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux AI (RHEL AI) 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux AI (RHEL AI) 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux AI (RHEL AI) 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA

CPE names CNA · 4

CPEVersionsRoleVendor
cpe:/a:redhat:lightspeed_core——Red Hat
cpe:/a:redhat:ai_inference_server:33—Red Hat
cpe:/a:redhat:enterprise_linux_ai:33—Red Hat
cpe:/a:redhat:openshift_ai——Red Hat
  • cpe:/a:redhat:lightspeed_core Versions — — ·Red Hat
  • cpe:/a:redhat:ai_inference_server:3 Versions 3 — ·Red Hat
  • cpe:/a:redhat:enterprise_linux_ai:3 Versions 3 — ·Red Hat
  • cpe:/a:redhat:openshift_ai Versions — — ·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
Lightspeed CoreAffectedNo fix yet: Fix deferred
Red Hat AI Inference ServerAffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux AI (RHEL AI) 3AffectedNo fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)AffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-6385
  2. 2026-10-03 Alias added: GHSA-q22x-99q7-fr6w

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