NVD · CVE-2026-56132

CVE-2026-56132

Published: Fri, 19 Jun 2026 06:17

CVE-2026-56132

Summary

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.

Are YOU affected by CVE-2026-56132?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether CVE-2026-56132 (and any other live CVE) applies. Anonymous, no signup.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan Read the bash source first

References

https://github.com/libexpat/libexpat/pull/1272

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