CVE-2026-113351
Medium · 5.9CVSS
5.9
EPSS
0.5%
Published
Oct 20, 2026
CISA due date
—
The record
libexpat 2.7.2 through 2.9.0 contains a denial of service vulnerability because XML_ParserReset zeroes the direct byte count but never offsets tracked heap allocations. Attackers can submit a large XML document so later documents on the same reset parser fail with XML_ERROR_NO_MEMORY until it is recreated.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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