Schwachstellen / CVE-2021-43529

kritisch

CVE-2021-43529

thunderbird: Memory corruption when processing S/MIME messages

Veröffentlicht Geändert CWE 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 Hat9.8CVSS: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, Red Hat. Niedriger laut Amazon (hoch), Rocky Linux (hoch), Ubuntu (mittel).

Beschreibung

Thunderbird versions prior to 91.3.0 are vulnerable to the heap overflow described in CVE-2021-43527 when processing S/MIME messages. Thunderbird versions 91.3.0 and later will not call the vulnerable code when processing S/MIME messages that contain certificates with DER-encoded DSA or RSA-PSS signatures.

Betroffene Pakete und behobene Versionen

QuellePaketBehoben in
Red Hatthunderbirdkein Fix angegeben
amazon linux 2thunderbird, thunderbird-debuginfo91.6.0-1.amzn2.0.1
debian 10thunderbird1:91.4.1-1~deb10u1
debian 11thunderbird1:91.4.1-1~deb11u1
debian 12thunderbird1:91.3.0-1
debian 13thunderbird1:91.3.0-1
debian 14thunderbird1:91.3.0-1
debian 9thunderbird1:91.4.1-1~deb9u1
echothunderbird1:91.3.0-1
rocky 8thunderbird91.3.0-2.el8
ubuntu 18.04thunderbird1:91.5.0+build1-0ubuntu0.18.04.1
ubuntu 20.04thunderbird1:91.5.0+build1-0ubuntu0.20.04.1
Alle 13 Einträge aus 12 Quellen zeigen
QuellePaketBehoben in
Red Hatthunderbirdkein Fix angegeben
amazon linux 2thunderbird91.6.0-1.amzn2.0.1
amazon linux 2thunderbird-debuginfo91.6.0-1.amzn2.0.1
debian 10thunderbird1:91.4.1-1~deb10u1
debian 11thunderbird1:91.4.1-1~deb11u1
debian 12thunderbird1:91.3.0-1
debian 13thunderbird1:91.3.0-1
debian 14thunderbird1:91.3.0-1
debian 9thunderbird1:91.4.1-1~deb9u1
echothunderbird1:91.3.0-1
rocky 8thunderbird91.3.0-2.el8
ubuntu 18.04thunderbird1:91.5.0+build1-0ubuntu0.18.04.1
ubuntu 20.04thunderbird1:91.5.0+build1-0ubuntu0.20.04.1

Referenzen

Alle 28 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.