Out-of-bounds Read in Libical Project

CVE-2016-5826

The parser_get_next_char function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (out-of-bounds heap read) by crafting a string to the icalparser_parse_string function.

Vulnerability class: Buffer Overflow

EPSS: 0.030 (86.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2016-5826?
CVE-2016-5826 is a high-severity vulnerability in Libical Project, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2017-01-27.
How severe is CVE-2016-5826?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-5826 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.