# Libical Project vulnerabilities

Source: https://junglewise.ai/threats/vendors/libical-project  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/libical-project.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in Libical Project: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2016-5827, was published on 27 January 2017. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 6 (1 critical, 0 exploited in the wild)

## About Libical Project

Library for parsing and manipulating iCalendar format data.

## Latest Libical Project vulnerabilities

- [CVE-2016-5827: libical out-of-bounds read in icaltime_from_string](https://junglewise.ai/threats/cve-2016-5827-libical-out-of-bounds-read-in-icaltime-from-string) (high, CVSS 7.5, published 27 Jan 2017)
- [CVE-2016-5826: libical out-of-bounds read in parser_get_next_char](https://junglewise.ai/threats/cve-2016-5826-libical-out-of-bounds-read-in-parser-get-next-char) (high, CVSS 7.5, published 27 Jan 2017)
- [CVE-2016-5825: libical out-of-bounds read in icalparser_parse_string](https://junglewise.ai/threats/cve-2016-5825-libical-out-of-bounds-read-in-icalparser-parse-string) (medium, CVSS 5.5, published 27 Jan 2017)
- [CVE-2016-5824: libical use-after-free in iCalendar parsing](https://junglewise.ai/threats/cve-2016-5824-libical-use-after-free-in-icalendar-parsing) (medium, CVSS 5.5, published 27 Jan 2017)
- [CVE-2016-5823: libical use-after-free in icalproperty_new_clone](https://junglewise.ai/threats/cve-2016-5823-libical-use-after-free-in-icalproperty-new-clone) (medium, CVSS 5.5, published 27 Jan 2017)
- [CVE-2016-9584: libical use-after-free in iCalendar parser](https://junglewise.ai/threats/cve-2016-9584-libical-use-after-free-in-icalendar-parser) (critical, CVSS 9.1, published 18 Jan 2017)

## Most severe Libical Project vulnerabilities

- [CVE-2016-9584: libical use-after-free in iCalendar parser](https://junglewise.ai/threats/cve-2016-9584-libical-use-after-free-in-icalendar-parser) (critical, CVSS 9.1, published 18 Jan 2017)
- [CVE-2016-5827: libical out-of-bounds read in icaltime_from_string](https://junglewise.ai/threats/cve-2016-5827-libical-out-of-bounds-read-in-icaltime-from-string) (high, CVSS 7.5, published 27 Jan 2017)
- [CVE-2016-5826: libical out-of-bounds read in parser_get_next_char](https://junglewise.ai/threats/cve-2016-5826-libical-out-of-bounds-read-in-parser-get-next-char) (high, CVSS 7.5, published 27 Jan 2017)
- [CVE-2016-5825: libical out-of-bounds read in icalparser_parse_string](https://junglewise.ai/threats/cve-2016-5825-libical-out-of-bounds-read-in-icalparser-parse-string) (medium, CVSS 5.5, published 27 Jan 2017)
- [CVE-2016-5824: libical use-after-free in iCalendar parsing](https://junglewise.ai/threats/cve-2016-5824-libical-use-after-free-in-icalendar-parsing) (medium, CVSS 5.5, published 27 Jan 2017)
- [CVE-2016-5823: libical use-after-free in icalproperty_new_clone](https://junglewise.ai/threats/cve-2016-5823-libical-use-after-free-in-icalproperty-new-clone) (medium, CVSS 5.5, published 27 Jan 2017)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Libical Project technologies

- [Libical Project Libical](https://junglewise.ai/threats/technologies/libical): 7 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Libical Project vulnerabilities", https://junglewise.ai/threats/vendors/libical-project, 9 November 2026.