cve.bz

CVE-2026-56132

6.9 mediumEPSS 0.1%

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.

CVSS 3.1
6.9CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
EPSS
0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-25)
CWE
CWE-821
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON