Heap-based buffer overflow in Krita - CVE-2025-59820
Published: October 29, 2025
Vulnerability identifier: #VU117776
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-2025-59820
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote attacker can trick a victim to open a specially crafted TGA 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.
Affected software
Krita
Debian Linux
krita (Debian package)
Debian Linux
krita (Debian package)
How to mitigate CVE-2025-59820
Install updates from vendor's website.
Krita - update to 5.2.13
krita (Debian package) - addressed in versions 1:5.1.5+dfsg-2+deb12u1, 1:5.2.9+dfsg-1+deb13u1
krita (Debian package) - addressed in versions 1:5.1.5+dfsg-2+deb12u1, 1:5.2.9+dfsg-1+deb13u1