CVE-2013-3941

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-01-02 · updated 2026-06-16
Weakness: CWE-787

Description

Xjp2.dll in XnView before 2.13 allows remote attackers to execute arbitrary code via (1) the Csiz parameter in a SIZ marker, which triggers an incorrect memory allocation, or (2) the lqcd field in a QCD marker in a crafted JPEG2000 file, which leads to a heap-based buffer overflow.

Affected products

XnView: before 2.13 — fixed in 2.13

How to fix

Upgrade to a fixed version: XnView 2.13. Check the vendor advisory for mitigations.

References

http://newsgroup.xnview.com/viewtopic.php?f=35&t=29087
http://secunia.com/advisories/52101
http://newsgroup.xnview.com/viewtopic.php?f=35&t=29087
http://secunia.com/advisories/52101

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