CVE-2026-4775

HIGH

Libtiff: libtiff: arbitrary code execution or denial of service via signed integer overflow in tiff file processing

Title source: cna
STIX 2.1

Description

A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution.

References (5)

Scores

CVSS v3 7.8
EPSS 0.0004
EPSS Percentile 12.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-190
Status published
Products (16)
debian/debian_linux 11.0
libtiff/libtiff
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 10 0:4.6.0-6.el10_1.3
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat Enterprise Linux 9 0:4.4.0-15.el9_7.3
Red Hat/Red Hat Hardened Images
... and 6 more
Published Mar 24, 2026
Tracked Since Mar 24, 2026