CVE-2016-5824

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 80.4% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-01-27 22:01Z9 YR AGO

Last updated

2024-08-06 01:15Z2 YR AGO

Reserved

2016-06-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

6e4c0dc9304f23f6493fbc772d954dfd246ac0f103cbf3cf317e6d9d21beea8c

• github.comhttps://github.com/libical/libical/issues/235x_refsource_MISC
• usn.ubuntu.comUSN-3897-1https://usn.ubuntu.com/3897-1/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2019:0269https://access.redhat.com/errata/RHSA-2019:0269vendor-advisoryx_refsource_REDHAT
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1275400x_refsource_CONFIRM
• www.openwall.com[oss-security] 20170120 Re: CVE-2016-9584: heap use-after-free on libicalhttp://www.openwall.com/lists/oss-security/2017/01/20/16mailing-listx_refsource_MLIST
• github.comhttps://github.com/libical/libical/issues/251x_refsource_CONFIRM
• www.securityfocus.com91459http://www.securityfocus.com/bid/91459vdb-entryx_refsource_BID
• www.openwall.com[oss-security] 20160625 Re: libical 0.47 SEGV on unknown addresshttp://www.openwall.com/lists/oss-security/2016/06/25/4mailing-listx_refsource_MLIST
• github.comhttps://github.com/libical/libical/issues/286x_refsource_CONFIRM
• access.redhat.comRHSA-2019:0270https://access.redhat.com/errata/RHSA-2019:0270vendor-advisoryx_refsource_REDHAT
• security.gentoo.orgGLSA-201904-02https://security.gentoo.org/glsa/201904-02vendor-advisoryx_refsource_GENTOO
• security.gentoo.orgGLSA-201904-07https://security.gentoo.org/glsa/201904-07vendor-advisoryx_refsource_GENTOO