https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-04T06:55:48.840367+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2021-3496 CVE-2021-3496 2026-10-04T06:55:48.842838+00:00

Affected: jhead

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

 https://vulnerability.circl.lu/vuln/usn-6110-1 USN-6110-1 — Jhead vulnerabilities 2026-10-04T06:55:48.842945+00:00

Affected: Ubuntu:Pro:14.04:LTS: jhead, Ubuntu:Pro:16.04:LTS: jhead, Ubuntu:Pro:18.04:LTS: jhead, Ubuntu:Pro:20.04:LTS: jhead, Ubuntu:Pro:22.04:LTS: jhead

It was discovered that Jhead did not properly handle certain crafted Canon images when processing them. An attacker could possibly use this issue to crash Jhead, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-3496)

It was discovered that Jhead did not properly handle certain crafted images when printing Canon-specific information. An attacker could possibly use this issue to crash Jhead, resulting in a denial of service. This issue only affected Ubuntu 20.04. (CVE-2021-28275)

It was discovered that Jhead did not properly handle certain crafted images when removing unknown sections. An attacker could possibly use this issue to crash Jhead, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-28277)

Kyle Brown discovered that Jhead did not properly handle certain crafted images when editing their comments. An attacker could possibly use this to crash Jhead, resulting in a denial of service. (LP: #2020068)