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CVE-2026-4775

HIGHCVSS 7.8/10EPSS 0.57%

Last modified

CVE-2026-4775 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.57%

47.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LibtiffLibtiff< 4.7.2
DebianDebian Linux11.0
RedhatAi Inference Server>= 3.2.0, < 3.2.2
RedhatAi Inference Server>= 3.3.0, < 3.3.5
RedhatCodeready Linux Builder8.0
RedhatCodeready Linux Builder9.0
RedhatCodeready Linux Builder10.0
RedhatCodeready Linux Builder Eus9.4
RedhatCodeready Linux Builder Eus9.6
RedhatCodeready Linux Builder Eus10.0
RedhatHardened ImagesAll versions
RedhatOpenshift Ai>= 3.4, < 3.4.3
RedhatEnterprise Linux6.0
RedhatEnterprise Linux8.0
RedhatEnterprise Linux9.0
RedhatEnterprise Linux10.0
RedhatEnterprise Linux Els7.0
RedhatEnterprise Linux Eus8.4
RedhatEnterprise Linux Eus9.4
RedhatEnterprise Linux Eus9.6
RedhatEnterprise Linux Eus10.0
RedhatEnterprise Linux Server Aus8.4
RedhatEnterprise Linux Server Aus8.6
RedhatEnterprise Linux Server Tus8.6
RedhatEnterprise Linux Server Tus8.8
RedhatEnterprise Linux Update Services For Sap Solutions8.6
RedhatEnterprise Linux Update Services For Sap Solutions8.8
RedhatEnterprise Linux Update Services For Sap Solutions9.0
RedhatEnterprise Linux Update Services For Sap Solutions9.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-4775?
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.
How severe is CVE-2026-4775?
CVE-2026-4775 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.
How do I fix CVE-2026-4775?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST