CVE-2023-2731

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	libtiff	Fixed in libtiff v4.5.0

References

https://access.redhat.com/security/cve/CVE-2023-2731Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2207635Issue Tracking, Patch, Third Party Advisory
https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527bPatch
https://gitlab.com/libtiff/libtiff/-/issues/548Exploit, Issue Tracking, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230703-0009/
https://access.redhat.com/security/cve/CVE-2023-2731Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2207635Issue Tracking, Patch, Third Party Advisory
https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527bPatch
https://gitlab.com/libtiff/libtiff/-/issues/548Exploit, Issue Tracking, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230703-0009/

Timeline

Published: May 17, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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