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.

Related CVEs

CVE-2023-2731

Key Information

GHSA ID

GHSA-g995-h8wx-7qw6

Published

May 18, 2023 12:30 AM

Last Modified

April 4, 2024 4:14 AM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 20, 2025 6:29 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.