{"schema_version":"1.7.2","id":"OESA-2026-2974","modified":"2026-07-09T12:55:49Z","published":"2026-07-09T12:55:49Z","upstream":["CVE-2026-56403","CVE-2026-56404","CVE-2026-56405","CVE-2026-56406","CVE-2026-56407","CVE-2026-56408","CVE-2026-56409","CVE-2026-56410","CVE-2026-56411","CVE-2026-56412"],"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 2.8.2 has an integer overflow in storeAtts.(CVE-2026-56403)\n\nlibexpat before 2.8.2 has an integer overflow in addBinding.(CVE-2026-56404)\n\nlibexpat before 2.8.2 has an integer overflow in getAttributeId.(CVE-2026-56405)\n\nlibexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse.(CVE-2026-56406)\n\nlibexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen.(CVE-2026-56407)\n\nlibexpat before 2.8.2 has an integer overflow in copyString.(CVE-2026-56408)\n\nxmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used.(CVE-2026-56409)\n\nxmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId.(CVE-2026-56410)\n\nxmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.(CVE-2026-56411)\n\nlibexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.(CVE-2026-56412)","affected":[{"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":"2.4.1-27.oe2203sp4"}]}],"ecosystem_specific":{"aarch64":["expat-2.4.1-27.oe2203sp4.aarch64.rpm","expat-debuginfo-2.4.1-27.oe2203sp4.aarch64.rpm","expat-debugsource-2.4.1-27.oe2203sp4.aarch64.rpm","expat-devel-2.4.1-27.oe2203sp4.aarch64.rpm"],"noarch":["expat-help-2.4.1-27.oe2203sp4.noarch.rpm"],"src":["expat-2.4.1-27.oe2203sp4.src.rpm"],"x86_64":["expat-2.4.1-27.oe2203sp4.x86_64.rpm","expat-debuginfo-2.4.1-27.oe2203sp4.x86_64.rpm","expat-debugsource-2.4.1-27.oe2203sp4.x86_64.rpm","expat-devel-2.4.1-27.oe2203sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2974"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56403"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56404"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56405"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56406"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56407"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56408"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56409"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56410"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56411"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56412"}],"database_specific":{"severity":"Medium"}}