Is there a public exploit for CVE-2026-4775?

No public exploit for CVE-2026-4775 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-4775?

CVE-2026-4775 scores CVSS 7.8 (v3.1), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.57%.

What does CVE-2026-4775 affect?

CVE-2026-4775 affects Red Hat Red Hat Hardened Images, Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.

7.8 High

A flaw was found in the libtiff library.

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.

Assessment

CVSS: 7.8 (v3.1)
Severity: High
EPSS: 0.57% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 24 March 2026
Last updated: 4 November 2026
Affected: Red Hat · Red Hat AI Inference Server 3.2 · Red Hat AI Inference Server 3.3 · Red Hat Enterprise Linux 10 · Red Hat Enterprise Linux 10.0 Extended Update Support
Assigner: redhat

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

At the source

EUVD (ENISA)

References

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