Heap-based buffer overflow in Gimp - CVE-2026-2046

Vulnerability identifier: #VU124067

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-2026-2046

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the parsing of LBM files. A remote attacker can trick a victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Gimp
openEuler
gimp
gimp-debuginfo
gimp-debugsource
gimp-devel
gimp-extension-goat-excercises
gimp-libs
gimp-plugin-aa
gimp-plugin-python3
gimp-vala

Install updates from vendor's website.

gimp - update to 3.0.2-11
gimp-debuginfo - update to 3.0.2-11
gimp-debugsource - update to 3.0.2-11
gimp-devel - update to 3.0.2-11
gimp-extension-goat-excercises - update to 3.0.2-11
gimp-libs - update to 3.0.2-11
gimp-plugin-aa - update to 3.0.2-11
gimp-plugin-python3 - update to 3.0.2-11
gimp-vala - update to 3.0.2-11

• https://www.zerodayinitiative.com/advisories/ZDI-26-213/

• Multiple vulnerabilities in GIMP
• openEuler 24.03 LTS SP3 update for gimp
• openEuler 24.03 LTS SP2 update for gimp
• openEuler 24.03 LTS SP1 update for gimp
• openEuler 24.03 LTS update for gimp