Integer overflow in Gimp

CVE-2025-10923

GIMP WBMP File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of WBMP files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27878.

Vulnerability class: Integer Overflow

EPSS: 0.004 (30.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Gimp — versions 3.0.4

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-10923?
CVE-2025-10923 is a high-severity vulnerability in Gimp, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2025-10-29.
How severe is CVE-2025-10923?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2025-10923 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.