{"action":"Upgrade openexr to 3.4.8 or later.","affected":[{"fixed":"3.4.8","introduced":"3.2.0"}],"component":"openexr","cve_ids":["CVE-2026-34543"],"ecosystem":"PyPI","epss":0.00501,"exploited":false,"fixed_versions":["3.4.8"],"ghsa_id":"GHSA-vc68-257w-m432","id":"tcs_01M5KH1YEKNPJDERKV7KFP712P","modified_at":"2026-07-13T16:32:33.854561150Z","published_at":"2026-07-13T14:36:47.568011Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2850","https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-vc68-257w-m432","https://nvd.nist.gov/vuln/detail/CVE-2026-34543","https://github.com/AcademySoftwareFoundation/openexr/commit/5f6d0aaa9e43802917af7db90f181e88e083d3b8","https://github.com/AcademySoftwareFoundation/openexr","https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.8","https://pypi.org/project/openexr","https://github.com/advisories/GHSA-vc68-257w-m432"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2850","url":"https://osv.dev/vulnerability/PYSEC-2026-2850"},{"source":"nvd","source_id":"CVE-2026-34543","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34543"}],"summary":"OpenEXR: Heap information disclosure in PXR24 decompression via unchecked decompressed size (undo_pxr24_impl)"}