{"action":"Upgrade openexr to 3.4.8 or later.","affected":[{"fixed":"3.4.8","introduced":"3.4.0"},{"introduced":"3.3.0","last_affected":"3.3.8"},{"introduced":"3.2.0","last_affected":"3.2.6"}],"component":"openexr","cve_ids":["CVE-2026-34544"],"ecosystem":"PyPI","epss":0.00244,"exploited":false,"fixed_versions":["3.4.8"],"ghsa_id":"GHSA-h762-rhv3-h25v","id":"tcs_01M5KFK3S56MBWDV0RBDNEEMH6","modified_at":"2026-09-10T03:50:12.408050069Z","published_at":"2026-04-03T21:47:07Z","references":["https://osv.dev/vulnerability/GHSA-h762-rhv3-h25v","https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-h762-rhv3-h25v","https://nvd.nist.gov/vuln/detail/CVE-2026-34544","https://github.com/AcademySoftwareFoundation/openexr/commit/35e7aa35e22c1975606be86e859f31cc1fc598ee","https://github.com/AcademySoftwareFoundation/openexr","https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.8"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-h762-rhv3-h25v","url":"https://osv.dev/vulnerability/GHSA-h762-rhv3-h25v"}],"summary":"OpenEXR: integer overflow to OOB write in uncompress_b44_impl()"}