CVE-2023-26966

MEDIUM

libtiff <4.5.0 - Buffer Overflow

Title source: llm

Description

libtiff 4.5.0 is vulnerable to Buffer Overflow in uv_encode() when libtiff reads a corrupted little-endian TIFF file and specifies the output to be big-endian.

References (4)

[Exploit, Issue Tracking, Patch] https://gitlab.com/libtiff/libtiff/-/issues/530

[Patch] https://gitlab.com/libtiff/libtiff/-/merge_requests/473

[Mailing List] https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html

[Mailing List] https://lists.debian.org/debian-lts-announce/2025/01/msg00019.html

Scores

CVSS v3 5.5

EPSS 0.0003

EPSS Percentile 7.7%

Attack Vector LOCAL

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

Classification

CWE

CWE-120

Status published

Affected Products (1)

libtiff/libtiff

Timeline

Published Jun 29, 2023

Tracked Since Feb 18, 2026