Critical severity9.8NVD Advisory· Published Jun 3, 2019· Updated Jun 17, 2026
CVE-2019-11356
CVE-2019-11356
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Cyrus/IMAPdescription
Patches
Vulnerability mechanics
References
10- access.redhat.com/errata/RHSA-2019:1771nvdThird Party Advisory
- seclists.org/bugtraq/2019/Jun/9nvdMailing ListThird Party Advisory
- usn.ubuntu.com/4566-1/nvdThird Party Advisory
- www.cyrusimap.org/imap/download/release-notes/2.5/index.htmlnvdRelease NotesVendor Advisory
- www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.13.htmlnvdRelease NotesVendor Advisory
- www.cyrusimap.org/imap/download/release-notes/3.0/index.htmlnvdRelease NotesVendor Advisory
- www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.10.htmlnvdRelease NotesVendor Advisory
- www.debian.org/security/2019/dsa-4458nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGO43JS7IFDNITHXOOHOP6JHRKRDIYY6/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PICSZDC3UGEUZ27VXGGM6OFI67D3KKLZ/nvd
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