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CVE-2026-4775

Published: March 25, 2026Last modified: October 10, 2026

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.

Severity score breakdown

ParameterValue
Base score7.8
Attack VectorLOCAL
Attack complexityLOW
Privileges requiredNONE
User interactionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
Integrity impactHIGH
Availability impactHIGH
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTStiffUnknown (4.4.0-r1)
25 LTStiffFixed (4.7.2-r0)
StreamtiffUnknown (4.4.0-r1)
Hardened Containers23 LTStiffUnknown (4.4.0-r1)
25 LTStiffFixed (4.7.2-r0)
StreamtiffUnknown (4.4.0-r1)

References

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