Detections
Analytics

CVE-2019-11356

critical

Description

The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name.

References

https://www.debian.org/security/2019/dsa-4458

https://usn.ubuntu.com/4566-1/

https://seclists.org/bugtraq/2019/Jun/9

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PICSZDC3UGEUZ27VXGGM6OFI67D3KKLZ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGO43JS7IFDNITHXOOHOP6JHRKRDIYY6/

https://access.redhat.com/errata/RHSA-2019:1771

https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.10.html

https://www.cyrusimap.org/imap/download/release-notes/3.0/index.html

https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.13.html

https://www.cyrusimap.org/imap/download/release-notes/2.5/index.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-3035

Details

Source: Mitre, NVD

Published: 2019-06-03

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.07622