CVE-2026-45186

概要

参考情報

• libexpat/libexpat#1216 · Exploit
• openwall.com/lists/oss-security/2026/05/11/16 · Mailing List
• access.redhat.com/errata/RHSA-2026:22715
• access.redhat.com/errata/RHSA-2026:22721
• access.redhat.com/errata/RHSA-2026:23230
• access.redhat.com/errata/RHSA-2026:26319
• access.redhat.com/errata/RHSA-2026:27201
• access.redhat.com/errata/RHSA-2026:29197
• access.redhat.com/errata/RHSA-2026:58981
• access.redhat.com/security/cve/CVE-2026-45186
• bugzilla.redhat.com/show_bug.cgi
• cert-portal.siemens.com/productcert/html/ssa-082556.html
• security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45186.json

libexpat のその他の脆弱性

• CVE-2026-76957高 7.8libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is simi…
• CVE-2026-76956高 7.5In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in bein…
• CVE-2026-66046高 7.5Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xml…
• CVE-2026-56412中 5.9libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls fr…
• CVE-2026-56411中 6.9xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.