Security readout for executives and security teams
CVE-2016-5824 is a denial-of-service flaw in libical 1.0. A malicious calendar .ics file can crash software that parses it. The main business risk is service interruption in systems that process untrusted calendar data. Exposure is most likely where libical 1.0, or vendor packages containing it, parse calendar files from external or untrusted sources. Treat as a normal-priority availability risk unless critical business services parse external calendar files. Prioritize patching exposed calendar-processing systems and externally facing workflows. Mitigation focus: Check Ubuntu, Red Hat, Gentoo, or applicable vendor advisories for fixed packages.; Update libical packages through supported distribution channels.; Identify and update applications bundling libical separately from the operating system..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-5824 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/libical/libical/issues/235CVE reference · x_refsource_MISC
- USN-3897-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- RHSA-2019:0269CVE reference · vendor-advisory, x_refsource_REDHAT
- https://bugzilla.mozilla.org/show_bug.cgi?id=1275400CVE reference · x_refsource_CONFIRM
- https://github.com/libical/libical/issues/251CVE reference · x_refsource_CONFIRM
- https://github.com/libical/libical/issues/286CVE reference · x_refsource_CONFIRM
- RHSA-2019:0270CVE reference · vendor-advisory, x_refsource_REDHAT
- GLSA-201904-02CVE reference · vendor-advisory, x_refsource_GENTOO
- GLSA-201904-07CVE reference · vendor-advisory, x_refsource_GENTOO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.