Heap-based Buffer Overflow in GIMP's PowerVR File Plugin
CVE-2026-62439

7HIGH

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
16 October 2026

What is CVE-2026-62439?

A vulnerability has been identified in GIMP’s PowerVR (.pvr) file plugin where an integer overflow occurs when calculating memory buffer sizes. This flaw can be exploited by enticing a user into opening or previewing a specially crafted .pvr file. Successful exploitation may lead to a heap-based buffer overflow, which could result in arbitrary code execution or a Denial of Service (DoS) through application crashes. Users are advised to apply the latest security updates to mitigate potential threats.

References

https://access.redhat.com/security/cve/CVE-2026-62439
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2554464
issue-trackingx_refsource_REDHAT
https://gitlab.gnome.org/GNOME/gimp/-/issues/16314

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Florent Saudel for reporting this issue.
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