JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.
Priority MEDIUM 49CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.
Why it matters now
EPSS 0.03989 90th percentileScored 2026-11-07
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27804
- 2026-10-03 Alias added: GHSA-6qm8-hwqx-wv6m
References
More Libjxl vulnerabilities
- 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-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-2021-27804 · CVE Program
- CVE-2021-27804 · NVD
- FIRST EPSS
- GHSA-6qm8-hwqx-wv6m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences