CVE-2023-3576: Libtiff: memory leak in tiffcrop.c

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-04 · updated 2026-06-23
Weakness: CWE-119

Description

A memory leak flaw was found in Libtiff's tiffcrop utility. This issue occurs when tiffcrop operates on a TIFF image file, allowing an attacker to pass a crafted TIFF image file to tiffcrop utility, which causes this memory leak issue, resulting an application crash, eventually leading to a denial of service.

Affected products

Fedoraproject Fedora: all versions
libtiff: before 4.5.1 — fixed in 4.5.1
Red Hat Enterprise Linux: 8.0, 9.0

How to fix

Upgrade to a fixed version: libtiff 4.5.1. Check the vendor advisory for mitigations.

References

https://access.redhat.com/errata/RHSA-2023:6575
https://access.redhat.com/security/cve/CVE-2023-3576
https://bugzilla.redhat.com/show_bug.cgi?id=2219340
https://access.redhat.com/errata/RHSA-2023:6575
https://access.redhat.com/security/cve/CVE-2023-3576
https://bugzilla.redhat.com/show_bug.cgi?id=2219340
https://lists.debian.org/debian-lts-announce/2024/03/msg00011.html

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