Is CVE-2026-56132 exploitable?

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CVE-2026-56132

is CVE-2026-56132real, exploitable, or a false positive? Here's the community verdict.

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Medium · CVSS 6.9EPSS 0.1%CWE-821

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

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.

References

NVD MITRE CVE.org

Published Jun 19, 2026

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