What is CVE-2026-32778?

CVE-2026-32778 is a low-severity vulnerability in Libexpat Project, classified under NULL Pointer Dereference. CVSS score: 2.9/10. Published 2026-03-16.

How severe is CVE-2026-32778?

Low severity. CVSS v3 base score is 2.9 out of 10.

NULL pointer dereference in Libexpat Project

CVE-2026-32778

libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.

EPSS: 0.000 (0.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Libexpat Project — versions 0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/libexpat/libexpat/pull/1159
github.com/libexpat/libexpat/pull/1163

Frequently asked questions

What is CVE-2026-32778?: CVE-2026-32778 is a low-severity vulnerability in Libexpat Project, classified under NULL Pointer Dereference. CVSS score: 2.9/10. Published 2026-03-16.
How severe is CVE-2026-32778?: Low severity. CVSS v3 base score is 2.9 out of 10.