CVE-2021-3496

HIGH

jhead 3.06 - Heap-Based Buffer Overflow in Get16u Function

Title source: llm
STIX 2.1

Description

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

References (3)

Core 3
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202210-17
Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1949245
Exploit, Patch, Third Party Advisory
https://github.com/Matthias-Wandel/jhead/issues/33

Scores

CVSS v3 7.8
EPSS 0.0106
EPSS Percentile 60.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-119 CWE-787
Status published
Products (1)
jhead_project/jhead 3.06
Published Apr 22, 2021
Tracked Since Feb 18, 2026