What’s Vulnerable › Vulnerabilities

CVE-2016-5824

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-01-27 · updated 2026-06-17
• Weakness: CWE-416

Description

libical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
• Libical Project Libical: 1.0
• RedHat Enterprise Linux Desktop: 6.0, 7.0
• RedHat Enterprise Linux Server: 6.0, 7.0
• RedHat Enterprise Linux Server Aus: 7.6
• RedHat Enterprise Linux Server Eus: 7.6
• RedHat Enterprise Linux Server Tus: 7.6
• RedHat Enterprise Linux Workstation: 6.0, 7.0

References

• http://www.openwall.com/lists/oss-security/2016/06/25/4
• http://www.openwall.com/lists/oss-security/2017/01/20/16
• http://www.securityfocus.com/bid/91459
• https://access.redhat.com/errata/RHSA-2019:0269
• https://access.redhat.com/errata/RHSA-2019:0270
• https://bugzilla.mozilla.org/show_bug.cgi?id=1275400
• https://github.com/libical/libical/issues/235
• https://github.com/libical/libical/issues/251
• https://github.com/libical/libical/issues/286
• https://security.gentoo.org/glsa/201904-02
• https://security.gentoo.org/glsa/201904-07
• https://usn.ubuntu.com/3897-1/

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