What is CVE-2022-35166?

CVE-2022-35166 is a medium-severity vulnerability in Jpeg Libjpeg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2022-08-18.

How severe is CVE-2022-35166?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Jpeg Libjpeg

CVE-2022-35166

libjpeg commit 842c7ba was discovered to contain an infinite loop via the component JPEG::ReadInternal.

Published 2022-08-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (18.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.9% 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

Jpeg Libjpeg — versions 2022-06-15

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

github.com/thorfdbg/libjpeg/issues/76 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-35166?: CVE-2022-35166 is a medium-severity vulnerability in Jpeg Libjpeg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2022-08-18.
How severe is CVE-2022-35166?: Medium severity. CVSS v3 base score is 5.5 out of 10.