libical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.
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
Source: MITRE
Published: 2017-01-27
Updated: 2019-04-02
Type: CWE-416
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM