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TI-2023-00611 Aliases CVE-2023-0645GHSA-378h-jm2h-7wrm

Out of Bounds read in libjxl

Priority MEDIUM 41CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An out of bounds read exists in libjxl. An attacker using a specifically crafted file could cause an out of bounds read in the exif handler. We recommend upgrading to version 0.8.1 or past commit  https://github.com/libjxl/libjxl/pull/2101/commits/d95b050c1822a5b1ede9e0dc937e43fca1b10159 https://github.com/libjxl/libjxl/pull/2101/commits/d95b050c1822a5b1ede9e0dc937e43fca1b10159

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00854 58th percentileScored 2026-11-07
Fix Fixed Libjxl (Libjxl): 0.8.1

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
libjxlLibjxl0.7.0 to before 0.8.10.8.1Patch availableCNA
  • Libjxl Vendorlibjxl Affected 0.7.0 to before 0.8.1 Fixed in 0.8.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:libjxl_project:libjxl:*:*:*:*:*:*:*:*before 0.8.1Vulnerablelibjxl
  • cpe:2.3:a:libjxl_project:libjxl:*:*:*:*:*:*:*:* Versions before 0.8.1 Vulnerable ·libjxl

Remediation

  • Fix · CNA Libjxl (Libjxl) Fixed in 0.8.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0645
  2. 2026-10-03 Alias added: GHSA-378h-jm2h-7wrm

References

  • TI-2021-09194 JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption. CVSS 3.1CRITICAL 9.8
  • 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-2021-14837 libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc… 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