CVE-2020-18768

MEDIUM

libtiff 4.0.10 - Denial of Service via Heap Buffer Overflow in _TIFFmemcpy

Title source: llm
STIX 2.1

Description

There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory
http://bugzilla.maptools.org/show_bug.cgi?id=2848

Scores

CVSS v3 5.5
EPSS 0.0003
EPSS Percentile 9.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (1)
libtiff/libtiff 4.0.10
Published Aug 22, 2023
Tracked Since Feb 18, 2026