MEDIUM 5.5 Microsoft

CVE-2023-2731

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.

Microsoft Security Update 2023-May: 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.

Affected Products

References

Published: 2023-05-09 · Source: Microsoft · Feed updated: 2026-09-03
This medium severity vulnerability with a CVSS score of 5.5 was published on 2023-05-09 via Microsoft. Affected: cm1 libtiff 4.5.0-3 on CBL Mariner 1.0, cbl2 libtiff 4.5.0-3 on CBL Mariner 2.0.
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