UBUNTU-CVE-2026-61915
Dashboard / Vulnerabilities / UBUNTU-CVE-2026-61915
Summary:
Details: VPATCH BYPARAM double-free: An authenticated calendar user could crash a Cyrus CalDAV worker with a PATCH containing PATCH-ACTION="BYPARAM@..." against a resource with two or more properties of the matched kind. The memory holding the selector would be freed once on each iteration over the properties.
References: https://ubuntu.com/security/CVE-2026-61915, https://www.cve.org/CVERecord?id=CVE-2026-61915
Affected packages
Package
Name: cyrus-imapd
Purl: pkg:deb/ubuntu/cyrus-imapd?arch=source&distro=esm-apps%2Fbionic
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
2.5.10-3build1
2.5.10-3build2
2.5.10-3ubuntu1
2.5.10-3ubuntu1.1
2.5.10-3ubuntu1.1+esm1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
