WID-SEC-W-2025-2477

csafDEcert_bund

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

lighttpd: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

view advisory published 2025-11-03

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in lighttpd ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2025-12642UScritical9.1—
lighttpd1.4.80 incorrectly merged trailer fields into headers after http request parsing. This behavior can be exploited to conduct HTTP Header Smuggling attacks. Successful explo…
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references

External citations — patches, advisories, analysis.

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