Out of Bounds read in libjxl
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
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
Remediation
- Fix · CNA Libjxl (Libjxl) Fixed in 0.8.1
Timeline
- 2026-10-02 Threatist record created from CVE-2023-0645
- 2026-10-03 Alias added: GHSA-378h-jm2h-7wrm
References
More Libjxl vulnerabilities
- 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
Sources
- CVE-2023-0645 · CVE Program
- CVE-2023-0645 · NVD
- FIRST EPSS
- GHSA-378h-jm2h-7wrm · GitHub Advisory Database · CC BY 4.0
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