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Vulnerabilities / CVE-2016-9584

critical

CVE-2016-9584

libical: Use-after-free

Published Modified CWE 416
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Red Hat9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Ubuntu (low).

Description

libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.

Affected packages and fixed versions

SourcePackageFixed in
debian 11libical33.0.1-1
debian 12libical33.0.1-1
debian 13libical33.0.1-1
debian 14libical33.0.1-1
debian 7libical0.48-2+deb7u1
debian 8libicalno fix listed
debian 9libicalno fix listed
echolibical33.0.1-1
Red Hatcompat-libical1, libical, libical-devel and 3 moreno fix listed
ubuntu 18.04-ESMlibicalno fix listed
Show all 15 entries from 10 sources
SourcePackageFixed in
debian 11libical33.0.1-1
debian 12libical33.0.1-1
debian 13libical33.0.1-1
debian 14libical33.0.1-1
debian 7libical0.48-2+deb7u1
debian 8libicalno fix listed
debian 9libicalno fix listed
echolibical33.0.1-1
Red Hatcompat-libical1no fix listed
Red Hatlibicalno fix listed
Red Hatlibical-develno fix listed
Red Hatlibical-glibno fix listed
Red Hatlibical-glib-develno fix listed
Red Hatlibical-glib-docno fix listed
ubuntu 18.04-ESMlibicalno fix listed

References

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.