{"id":"CVE-2026-4775","title":"A flaw was found in the libtiff library","summary":"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 …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-190"],"published":"2026-03-24","updated":"2026-06-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-4775","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:12265","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:12271","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:14929","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:16055","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19150","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19363","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19585","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19586","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19604","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19608","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19609","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19657","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19659","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:19702","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:20583","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:20585","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:20591","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:20592","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:24992","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:25096","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:25910","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:30078","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-4775","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2450768","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2026/04/msg00016.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00553,"epssPercentile":0.44832,"ingestedAt":"2026-06-26T16:43:13.619Z","slug":"CVE-2026-4775","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}