CVE-2026-41080

Description

References

• blog.hartwork.org/posts/expat-2-8-0-released · Release Notes
• libexpat/libexpat · Issue Tracking
• libexpat/libexpat#1183 · Issue Tracking
• openwall.com/lists/oss-security/2026/04/26/1 · Mailing List
• openwall.com/lists/oss-security/2026/04/26/1 · Mailing List
• cert-portal.siemens.com/productcert/html/ssa-082556.html

More vulnerabilities in libexpat

• CVE-2026-76957HIGH 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-2026-76956HIGH 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-2026-66046HIGH 7.5Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xml…
• CVE-2026-56412MEDIUM 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-2026-56411MEDIUM 6.9xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.