WID-SEC-W-2026-4054

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

expat: Schwachstelle ermöglicht Denial of Service

view advisory published 2026-10-20

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in expat ausnutzen, um einen Denial of Service Angriff durchzuführen.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-113351USmedium5.9—
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 c…
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references

External citations — patches, advisories, analysis.

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