exiv2 vulnerabilities

It was discovered that Exiv2 did not correctly handle reading certain
buffers. An attacker could possibly use this issue to leak sensitive
information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04
LTS. (CVE-2020-18771)

Wen Cheng discovered that Exiv2 did not correctly handle certain memory
allocation. If a user or system were tricked into opening a specially
crafted file, an attacker could possibly use this issue to cause a denial
of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
(CVE-2020-18899)

It was discovered that Exiv2 did not correctly handle writing certain
metadata. If a user or system were tricked into opening a specially crafted
file, an attacker could possibly use this issue to cause a denial of
service. (CVE-2025-54080)

It was discovered that Exiv2 did not correctly handle parsing certain
metadata. If a user or system were tricked into opening a specially crafted
file, an attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,
Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-55304)

It was discovered that Exiv2 did not correctly handle parsing certain
images. If a user or system were tricked into opening a specially crafted
file, an attacker could possibly use this issue to cause a denial of
service. (CVE-2026-25884)

It was discovered that Exiv2 did not correctly handle previewing certain
images. An attacker could possibly use this issue to cause a denial of
service. (CVE-2026-27596)

It was discovered that Exiv2 did not correctly handle certain integer
arithmetic. An attacker could possibly use this issue to cause a denial of
service. (CVE-2026-27631)