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Schwachstellen / CVE-2021-20236

kritisch

CVE-2021-20236

zeromq: Stack overflow on server running PUB/XPUB socket

Veröffentlicht Geändert CWE 120, 787
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 Hat7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Julia9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivys eigenes Label ist CRITICAL. Kritisch laut NVD, CBL-Mariner, Julia, Photon OS. Niedriger laut Red Hat (mittel), Ubuntu (mittel).

Beschreibung

A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Betroffene Pakete und behobene Versionen

QuellePaketBehoben in
CBL-Mariner 1.0zeromq0:4.3.4-1.cm1
julia::Julia Ecosystem Security AdvisoriesZeroMQ_jll4.3.4+0
Photon OS 1.0zeromq4.3.4-1.ph1
Photon OS 2.0zeromq4.3.4-1.ph2
Photon OS 3.0zeromq4.3.4-1.ph3
conan::GitLab Advisory Database Communityzeromq4.3.3
debian 10zeromq3kein Fix angegeben
debian 11zeromq34.3.3-1
debian 12zeromq34.3.3-1
debian 13zeromq34.3.3-1
debian 14zeromq34.3.3-1
debian 9zeromq3kein Fix angegeben
Alle 16 Einträge aus 16 Quellen zeigen
QuellePaketBehoben in
CBL-Mariner 1.0zeromq0:4.3.4-1.cm1
julia::Julia Ecosystem Security AdvisoriesZeroMQ_jll4.3.4+0
Photon OS 1.0zeromq4.3.4-1.ph1
Photon OS 2.0zeromq4.3.4-1.ph2
Photon OS 3.0zeromq4.3.4-1.ph3
conan::GitLab Advisory Database Communityzeromq4.3.3
debian 10zeromq3kein Fix angegeben
debian 11zeromq34.3.3-1
debian 12zeromq34.3.3-1
debian 13zeromq34.3.3-1
debian 14zeromq34.3.3-1
debian 9zeromq3kein Fix angegeben
echozeromq34.3.3-1
Red Hatzeromq3kein Fix angegeben
ubuntu 18.04-ESMzeromq3kein Fix angegeben
ubuntu 20.04-ESMzeromq3kein Fix angegeben

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.