CVE-2026-4775
Libtiff: libtiff: arbitrary code execution or denial of service via signed integer overflow in tiff file processing
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat
commercial·USaka redhat
libtiff
oss-projectaka libtiff project
debian
oss-project·GBaka debian gnu/linux
and 14 more affected products View all →
Exploitability
Workaround Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Initial Access
References
https://access.redhat.com/errata/RHSA-2026:12265
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:12271
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:14929
access.redhat.com
and 28 more references View all →
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