What is CVE-2022-31796?

CVE-2022-31796 is a medium-severity vulnerability in Jpeg Libjpeg, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2022-06-02.

How severe is CVE-2022-31796?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Jpeg Libjpeg

CVE-2022-31796

libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (55.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Jpeg Libjpeg — versions 1.63
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-31796?: CVE-2022-31796 is a medium-severity vulnerability in Jpeg Libjpeg, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2022-06-02.
How severe is CVE-2022-31796?: Medium severity. CVSS v3 base score is 6.5 out of 10.