{"action":"Upgrade openexr to 3.2.7 or later.","affected":[{"fixed":"3.2.7","introduced":"3.1.0"},{"fixed":"3.3.9","introduced":"3.3.0"},{"fixed":"3.4.9","introduced":"3.4.0"}],"component":"openexr","cve_ids":["CVE-2026-34588"],"ecosystem":"PyPI","epss":0.00482,"exploited":false,"fixed_versions":["3.2.7","3.3.9","3.4.9"],"ghsa_id":"GHSA-588r-cr5c-w6hf","id":"tcs_01M5KH1X6Z0FWSWRSY26STB4D0","modified_at":"2026-07-13T16:32:32.992093310Z","published_at":"2026-07-13T14:36:49.738276Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2845","https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-588r-cr5c-w6hf","https://nvd.nist.gov/vuln/detail/CVE-2026-34588","https://github.com/AcademySoftwareFoundation/openexr","https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.7","https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.3.9","https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.9","https://pypi.org/project/openexr","https://github.com/advisories/GHSA-588r-cr5c-w6hf"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"PYSEC-2026-2845","url":"https://osv.dev/vulnerability/PYSEC-2026-2845"}],"summary":"OpenEXR has a signed 32-bit Overflow in PIZ Decoder Leads to OOB Read/Write"}