What is CVE-2021-28275?

CVE-2021-28275 is a medium-severity vulnerability in Jhead Project, classified under Incorrect Type Conversion or Cast. CVSS score: 5.5/10. Published 2022-03-23.

How severe is CVE-2021-28275?

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

Vulnerability in Jhead Project

CVE-2021-28275

A Denial of Service vulnerability exists in jhead 3.04 and 3.05 due to a wild address read in the Get16u function in exif.c in will cause segmentation fault via a crafted_file.

Published 2022-03-23 · 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: 0.007 (49.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Jhead Project — versions 3.04, 3.05

Weakness classification (CWE)

CWE-704 — Incorrect Type Conversion or Cast

References

github.com/Matthias-Wandel/jhead/issues/17 (Exploit, Third Party Advisory, Issue Tracking)
security.gentoo.org/glsa/202210-17 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2021-28275?: CVE-2021-28275 is a medium-severity vulnerability in Jhead Project, classified under Incorrect Type Conversion or Cast. CVSS score: 5.5/10. Published 2022-03-23.
How severe is CVE-2021-28275?: Medium severity. CVSS v3 base score is 5.5 out of 10.