Use-after-free in Exiv2 - CVE-2025-26623

Vulnerability identifier: #VU104047

CSH Severity: High

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-26623

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when handling files. A remote attacker can pass a specially crafted file to the application, trigger a heap overflow and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Exiv2
Anolis OS
openEuler
Fedora
exiv2
exiv2-devel
exiv2-libs
exiv2-doc
exiv2-debuginfo
exiv2-debugsource
exiv2-help

Install updates from vendor's website.

Exiv2 - update to 0.28.5
exiv2 - update to 0.28.2-2
exiv2-devel - update to 0.28.2-2
exiv2-libs - update to 0.28.2-2
exiv2-doc - update to 0.28.2-2
exiv2 - update to 0.28.2-3
exiv2-debuginfo - update to 0.28.2-3
exiv2-debugsource - update to 0.28.2-3
exiv2-devel - update to 0.28.2-3
exiv2-help - update to 0.28.2-3
exiv2 - update to 0.28.5-1.fc43

• https://github.com/Exiv2/exiv2/security/advisories/GHSA-38h4-fx85-qcx7

• Use-after-free in Exiv2
• openEuler 24.03 LTS SP1 update for exiv2
• openEuler 24.03 LTS update for exiv2
• Fedora 43 update for exiv2
• Anolis OS update for exiv2