CVE-2026-56409

Description

References

• libexpat/libexpat#1259 · Patch

libexpat 的其他漏洞

• CVE-2026-76957高危 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高危 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高危 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中危 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中危 6.9xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.