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.

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 rec…

EPSS: 0.003 (21.7th percentile) — read the EPSS interpretation.

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.

Affected products

Google Llc Libjxl — versions unspecified
Libjxl_project Libjxl

Weakness classification (CWE)

References

cve-coordination@google.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve-coordination@google.com (Patch, Third Party Advisory, x_refsource_MISC)

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.