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.
Fix
Patch, vendor advisory and mitigation references on NVD 59
- https://access.redhat.com/errata/RHSA-2026:12265 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:12271 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:14929 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:16055 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19150 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19363 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19585 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19586 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19604 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19608 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19609 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19657 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19659 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19702 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20583 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20585 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20591 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20592 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:24992 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:25096 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.8 · libtiff, debian, redhatNVD modified 2026-10-26 19:13
Affected (CPE criteria) 28
cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*cpe:2.3:a:redhat:ai_inference_server:*:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder:9.0:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder:10.0:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder_eus:9.4:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder_eus:9.6:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder_eus:10.0:*:*:*:*:*:*:*cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*cpe:2.3:a:redhat:openshift_ai:*:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_els:7.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:9.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:9.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:10.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_tus:8.8:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:*
References 60
- https://access.redhat.com/errata/RHSA-2026:12265 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:12271 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:14929 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:16055 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19150 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19363 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19585 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19586 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19604 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19608 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19609 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19657 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19659 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19702 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20583 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20585 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20591 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20592 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:24992 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:25096 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:25910 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30078 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30087 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30088 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30089 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30349 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:33388 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:74674 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-4775 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2450768 Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2026/04/msg00016.html Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:12265 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:12271 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:14929 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:16055 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19150 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19363 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19585 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19586 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19604 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19608 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19609 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19657 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19659 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:19702 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20583 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20585 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20591 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:20592 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:24992 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:25096 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:25910 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30078 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30087 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30088 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30089 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30349 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-4775 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2450768 Issue Tracking, Vendor Advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4775.json Vendor Advisory