{"id":"JLSEC-2026-141","details":"OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In CompositeDeepScanLine::readPixels, per-pixel totals are accumulated in vector\u003cunsigned int\u003e total_sizes for attacker-controlled large counts across many parts, total_sizes[ptr] wraps modulo 2^32.  overall_sample_count is then derived from wrapped totals and used in samples[channel].resize(overall_sample_count). Decode pointer setup/consumption proceeds with true sample counts, and write operations in core unpack (generic_unpack_deep_pointers) overrun the undersized composite sample buffer. This vulnerability is fixed in v3.2.6, v3.3.8, and v3.4.6.","modified":"2026-07-18T00:01:34.057991605Z","published":"2026-04-17T15:19:54.657Z","upstream":["CVE-2026-27622"],"database_specific":{"sources":[{"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27622","database_specific":{"status":"Modified"},"id":"CVE-2026-27622","imported":"2026-07-17T21:13:53.800Z","modified":"2026-07-15T02:19:08.643Z","published":"2026-03-03T23:15:55.737Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27622"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:12338"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:12339"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:12340"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:12341"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16008"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16009"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16030"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16174"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:7678"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:7682"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:8863"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:8869"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:8870"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:8871"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:8872"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:8888"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-27622"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2444251"},{"type":"WEB","url":"https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-cr4v-6jm6-4963"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27622.json"}],"affected":[{"package":{"name":"OpenEXR_jll","ecosystem":"Julia","purl":"pkg:julia/OpenEXR_jll?uuid=18a262bb-aa17-5467-a713-aee519bc75cb"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.4.8+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-141.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}