{"id":"PYSEC-2026-728","summary":"OpenEXR invalid write","details":"In OpenEXR 2.2.0, an invalid write of size 8 in the storeSSE function in ImfOptimizedPixelReading.h could cause the application to crash or execute arbitrary code.","aliases":["CVE-2017-9111","GHSA-qxh9-r8xw-7v99"],"modified":"2026-07-06T08:00:40.288159491Z","published":"2026-07-02T14:13:23.487285Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-9111"},{"type":"WEB","url":"https://github.com/openexr/openexr/issues/232"},{"type":"WEB","url":"https://github.com/openexr/openexr/pull/233"},{"type":"PACKAGE","url":"https://github.com/AcademySoftwareFoundation/openexr"},{"type":"WEB","url":"https://github.com/openexr/openexr/releases/tag/v2.2.1"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00056.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4148-1"},{"type":"WEB","url":"https://usn.ubuntu.com/4339-1"},{"type":"WEB","url":"https://www.debian.org/security/2020/dsa-4755"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00060.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00000.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2017/05/12/5"},{"type":"PACKAGE","url":"https://pypi.org/project/openexr"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-qxh9-r8xw-7v99"}],"affected":[{"package":{"name":"openexr","ecosystem":"PyPI","purl":"pkg:pypi/openexr"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1"}]}],"versions":["1.0.2","1.0.3","1.1.0","1.2.0","1.3.0","1.3.1","1.3.2","1.3.7","1.3.8","1.3.9"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/openexr/PYSEC-2026-728.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}