CVE-2026-4775

HIGH

7.8

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.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/24/2026

Last Modified3/24/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-190

References

https://access.redhat.com/security/cve/CVE-2026-4775(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2450768(secalert@redhat.com)

IOC Correlations

No correlations recorded

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