🛡️ CVE-2023-2731
🟡 CVSS 5.5 — Medium ⚠️ Exploit Public CWE-476 NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE CWE-476
Public Exploit ⚠️ Yes
Source NVD
Published 2023-05-17
Updated 2026-06-08
Modified 2025-01-22

Affected Packages

Software From version Fixed in
enterprise-linux
fedora
libtiff 4.5.0

References

Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2207635
Exploit, Issue Tracking, Patch, Third Party Advisory https://gitlab.com/libtiff/libtiff/-/issues/548
Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2207635
Exploit, Issue Tracking, Patch, Third Party Advisory https://gitlab.com/libtiff/libtiff/-/issues/548

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