VULNERABILITY INTELLIGENCE

CVE-2021-3496

CVSS score7.8 HIGH

EPSS probability1.06%

CISA KEVNot currently listed

Published2021-04-22

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.

Weakness classification

patrick@puiterwijk.org: CWE-119
nvd@nist.gov: CWE-787

Primary references

patrick@puiterwijk.org — Issue Tracking, Third Party Advisory
patrick@puiterwijk.org — Exploit, Patch, Third Party Advisory
patrick@puiterwijk.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory