Out-of-bounds Read in Google Llc Libjxl
CVE-2021-22563
Invalid JPEG XL images using libjxl can cause an out of bounds access on a std::vector<std::vector<T>> when rendering splines. The OOB read access can either lead to a segfault, or rendering splines based on other process memory. It is recommended to upgrade past 0.6.0 or patch with https://github.com/libjxl/libjxl/pull/757
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (21.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Google Llc Libjxl — versions unspecified
- Libjxl Project
Weakness classification (CWE)
References
- github.com/libjxl/libjxl/issues/735 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/libjxl/libjxl/pull/757 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22563?
- CVE-2021-22563 is a medium-severity vulnerability in Google Llc Libjxl, classified under Buffer Over-read. CVSS score: 4.5/10. Published 2021-11-01.
- How severe is CVE-2021-22563?
- Medium severity. CVSS v3 base score is 4.5 out of 10.