Security readout for executives and security teams
CVE-2016-5823 is a denial-of-service issue in libical, a library used to handle calendar files. A malicious calendar file could crash software that parses it. The sources identify libical 0.47 and 1.0 as affected. There is no source-provided evidence of active exploitation. Exposure is most likely in applications, servers, or desktop clients that use libical 0.47 or 1.0 to import, sync, or process untrusted iCalendar/ICS files. Treat as a routine but real availability risk. Prioritize systems that automatically process external calendar files, especially mail, calendaring, scheduling, or groupware services. Mitigation focus: Inventory applications and packages that include libical.; Identify systems running libical 0.47 or 1.0.; Apply vendor or distribution updates where available..
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-2016-5823 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
- GLSA-201904-02CVE 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.
