What’s Vulnerable › Vulnerabilities

CVE-2026-32778

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-16 · updated 2026-07-14
• Weakness: CWE-476

Description

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

Affected products

• libexpat project libexpat: before 2.7.5 — fixed in 2.7.5

How to fix

Upgrade to a fixed version: libexpat project libexpat 2.7.5. Check the vendor advisory for mitigations.

References

• https://github.com/libexpat/libexpat/pull/1159
• https://github.com/libexpat/libexpat/pull/1163
• https://cert-portal.siemens.com/productcert/html/ssa-082556.html

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