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kritisch

CVE-2018-6836

wireshark: free operation on an uninitialized memory address in wiretap/netmon.c

Veröffentlicht Geändert CWE 763
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut Ubuntu (mittel), Red Hat (niedrig).

Beschreibung

The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

Betroffene Pakete und behobene Versionen

QuellePaketBehoben in
Red Hatwireshark, wireshark-cli, wireshark-devel und 1 weiterekein Fix angegeben
ubuntu 14.04wireshark2.6.3-1~ubuntu14.04.1
ubuntu 14.04-ESMwireshark2.6.3-1~ubuntu14.04.1
ubuntu 16.04wireshark2.6.3-1~ubuntu16.04.1
ubuntu 16.04-ESMwireshark2.6.3-1~ubuntu16.04.1
ubuntu 18.04wireshark2.6.3-1~ubuntu18.04.1
ubuntu 18.04-ESMwireshark2.6.3-1~ubuntu18.04.1
Alle 10 Einträge aus 7 Quellen zeigen
QuellePaketBehoben in
Red Hatwiresharkkein Fix angegeben
Red Hatwireshark-clikein Fix angegeben
Red Hatwireshark-develkein Fix angegeben
Red Hatwireshark-gnomekein Fix angegeben
ubuntu 14.04wireshark2.6.3-1~ubuntu14.04.1
ubuntu 14.04-ESMwireshark2.6.3-1~ubuntu14.04.1
ubuntu 16.04wireshark2.6.3-1~ubuntu16.04.1
ubuntu 16.04-ESMwireshark2.6.3-1~ubuntu16.04.1
ubuntu 18.04wireshark2.6.3-1~ubuntu18.04.1
ubuntu 18.04-ESMwireshark2.6.3-1~ubuntu18.04.1

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.