{"schema_version":"1.7.2","id":"OESA-2026-3403","modified":"2026-08-20T09:54:26Z","published":"2026-08-20T09:54:26Z","upstream":["CVE-2026-72522"],"summary":"expat security update","details":"expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial.\r\n\r\nSecurity Fix(es):\n\nlibexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.(CVE-2026-72522)","affected":[{"package":{"ecosystem":"openEuler:24.03-LTS-SP4","name":"expat","purl":"pkg:rpm/openEuler/expat&distro=openEuler-24.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.1-5.oe2403sp4"}]}],"ecosystem_specific":{"aarch64":["expat-2.8.1-5.oe2403sp4.aarch64.rpm","expat-debuginfo-2.8.1-5.oe2403sp4.aarch64.rpm","expat-debugsource-2.8.1-5.oe2403sp4.aarch64.rpm","expat-devel-2.8.1-5.oe2403sp4.aarch64.rpm"],"noarch":["expat-help-2.8.1-5.oe2403sp4.noarch.rpm"],"src":["expat-2.8.1-5.oe2403sp4.src.rpm"],"x86_64":["expat-2.8.1-5.oe2403sp4.x86_64.rpm","expat-debuginfo-2.8.1-5.oe2403sp4.x86_64.rpm","expat-debugsource-2.8.1-5.oe2403sp4.x86_64.rpm","expat-devel-2.8.1-5.oe2403sp4.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:20.03-LTS-SP4","name":"expat","purl":"pkg:rpm/openEuler/expat&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.9-29.oe2003sp4"}]}],"ecosystem_specific":{"aarch64":["expat-2.2.9-29.oe2003sp4.aarch64.rpm","expat-debuginfo-2.2.9-29.oe2003sp4.aarch64.rpm","expat-debugsource-2.2.9-29.oe2003sp4.aarch64.rpm","expat-devel-2.2.9-29.oe2003sp4.aarch64.rpm"],"noarch":["expat-help-2.2.9-29.oe2003sp4.noarch.rpm"],"src":["expat-2.2.9-29.oe2003sp4.src.rpm"],"x86_64":["expat-2.2.9-29.oe2003sp4.x86_64.rpm","expat-debuginfo-2.2.9-29.oe2003sp4.x86_64.rpm","expat-debugsource-2.2.9-29.oe2003sp4.x86_64.rpm","expat-devel-2.2.9-29.oe2003sp4.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:22.03-LTS-SP4","name":"expat","purl":"pkg:rpm/openEuler/expat&distro=openEuler-22.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.1-28.oe2203sp4"}]}],"ecosystem_specific":{"aarch64":["expat-2.4.1-28.oe2203sp4.aarch64.rpm","expat-debuginfo-2.4.1-28.oe2203sp4.aarch64.rpm","expat-debugsource-2.4.1-28.oe2203sp4.aarch64.rpm","expat-devel-2.4.1-28.oe2203sp4.aarch64.rpm"],"noarch":["expat-help-2.4.1-28.oe2203sp4.noarch.rpm"],"src":["expat-2.4.1-28.oe2203sp4.src.rpm"],"x86_64":["expat-2.4.1-28.oe2203sp4.x86_64.rpm","expat-debuginfo-2.4.1-28.oe2203sp4.x86_64.rpm","expat-debugsource-2.4.1-28.oe2203sp4.x86_64.rpm","expat-devel-2.4.1-28.oe2203sp4.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP1","name":"expat","purl":"pkg:rpm/openEuler/expat&distro=openEuler-24.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-24.oe2403sp1"}]}],"ecosystem_specific":{"aarch64":["expat-2.5.0-24.oe2403sp1.aarch64.rpm","expat-debuginfo-2.5.0-24.oe2403sp1.aarch64.rpm","expat-debugsource-2.5.0-24.oe2403sp1.aarch64.rpm","expat-devel-2.5.0-24.oe2403sp1.aarch64.rpm"],"noarch":["expat-help-2.5.0-24.oe2403sp1.noarch.rpm"],"src":["expat-2.5.0-24.oe2403sp1.src.rpm"],"x86_64":["expat-2.5.0-24.oe2403sp1.x86_64.rpm","expat-debuginfo-2.5.0-24.oe2403sp1.x86_64.rpm","expat-debugsource-2.5.0-24.oe2403sp1.x86_64.rpm","expat-devel-2.5.0-24.oe2403sp1.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP3","name":"expat","purl":"pkg:rpm/openEuler/expat&distro=openEuler-24.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-24.oe2403sp3"}]}],"ecosystem_specific":{"aarch64":["expat-2.5.0-24.oe2403sp3.aarch64.rpm","expat-debuginfo-2.5.0-24.oe2403sp3.aarch64.rpm","expat-debugsource-2.5.0-24.oe2403sp3.aarch64.rpm","expat-devel-2.5.0-24.oe2403sp3.aarch64.rpm"],"noarch":["expat-help-2.5.0-24.oe2403sp3.noarch.rpm"],"src":["expat-2.5.0-24.oe2403sp3.src.rpm"],"x86_64":["expat-2.5.0-24.oe2403sp3.x86_64.rpm","expat-debuginfo-2.5.0-24.oe2403sp3.x86_64.rpm","expat-debugsource-2.5.0-24.oe2403sp3.x86_64.rpm","expat-devel-2.5.0-24.oe2403sp3.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3403"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72522"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"database_specific":{"severity":"Medium"}}