[CVE-2026-76957] libexpat before 2.8.4 lacks handler call depth tracking with

CVE-2026-76957 | CVSS: 4.9 | 严重级别: MEDIUM

libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.

参考链接:
https://github.com/libexpat/libexpat/pull/1322
https://github.com/libexpat/libexpat/pull/1329

📌 数据来源: NVD 官方

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