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TI-2021-14837 Aliases CVE-2021-36691GHSA-fg2p-g438-rjr4

libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc…

Priority LOW 35CWE-617Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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 · NVD. Fix status from CNA. Impact type from CWE-617.

Summary

libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.

Why it matters now

EPSS 0.01071 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

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:libjxl_project:libjxl:0.5.0:*:*:*:*:*:*:*0.5.0Vulnerablelibjxl
  • cpe:2.3:a:libjxl_project:libjxl:0.5.0:*:*:*:*:*:*:* Versions 0.5.0 Vulnerable ·libjxl

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-36691
  2. 2026-10-03 Alias added: GHSA-fg2p-g438-rjr4

References

Exploit 1

  • TI-2021-09194 JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption. CVSS 3.1CRITICAL 9.8
  • TI-2023-00611 Out of Bounds read in libjxl CVSS 3.1CRITICAL 9.1
  • TI-2026-01512 libjxl: Out-of-bounds write in grayscale color transformation when using LCMS2 CVSS 4.0HIGH 8.7
  • TI-2023-17879 An issue was discovered in dec_patch_dictionary.cc in libjxl before 0.8.2. CVSS 3.1HIGH 7.5
  • TI-2024-10649 Resource exhaustion via Stack overflow in libjxl CVSS 4.0MEDIUM 6.9
  • TI-2024-10566 Out of Bounds Memory Read/Write in libjxl CVSS 4.0MEDIUM 6.9
See all 12 →

Sources

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