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CVE-2023-2731

Date: May 16, 2023

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.

Language: C

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2023-2731
https://access.redhat.com/security/cve/CVE-2023-2731
https://gitlab.com/libtiff/libtiff/-/issues/548
https://bugzilla.redhat.com/show_bug.cgi?id=2207635
https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527b
https://security.netapp.com/advisory/ntap-20230703-0009/
https://www.mend.io/vulnerability-database/CVE-2023-2731

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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