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kritisch

CVE-2021-3466

libmicrohttpd: Buffer overflow issue in URL parser in the post_process_urlencoded function

Veröffentlicht Geändert CWE 120
In der Trivy Database seit spätestens 24. Okt. 2026, 07:11 UTCWann der Eintrag vor diesem Build hinzukam, ist nicht erfasst.

Einstufung nach Quelle

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut Red Hat (hoch).

Beschreibung

A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.

Betroffene Pakete und behobene Versionen

QuellePaketBehoben in
debian 11libmicrohttpd0.9.71-1
debian 12libmicrohttpd0.9.71-1
debian 13libmicrohttpd0.9.71-1
debian 14libmicrohttpd0.9.71-1
echolibmicrohttpd, libmicrohttpd-0.9.700.9.71-1 und 1 weitere
Alle 6 Einträge aus 5 Quellen zeigen
QuellePaketBehoben in
debian 11libmicrohttpd0.9.71-1
debian 12libmicrohttpd0.9.71-1
debian 13libmicrohttpd0.9.71-1
debian 14libmicrohttpd0.9.71-1
echolibmicrohttpd0.9.71-1
echolibmicrohttpd-0.9.700.9.70+e1

Referenzen

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.