Priority MEDIUM 55
Stack-based buffer overflow in pop3d in Cyrus IMAPD (cyrus-imapd) 2.3.2, when the popsubfolders option is enabled, allows remote attackers to execute arbitrary code via a long USER command.
CVSS 2.0MEDIUM 5.1· Network · No auth · Interaction — · EPSS 0.53333 · Published 2006-05-22 · No fix listed
Priority MEDIUM 52
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.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.07622 · Published 2019-06-03 · Fixed CWE-787
Priority MEDIUM 52
Multiple buffer overflows in Cyrus Sieve / libSieve 2.1.2 and earlier allow remote attackers to execute arbitrary code via (1) a long header name, (2) a long IMAP flag, or (3) a script that generates a large number of er…
CVSS 2.0HIGH 10.0· Network · No auth · Interaction — · EPSS 0.06569 · Published 2007-10-14 · No fix listed CWE-119
Priority MEDIUM 47
Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived over the same connec…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02392 · Published 2019-11-15 · Fixed
Priority MEDIUM 43
In the mboxlist_do_find function in imap/mboxlist.c in Cyrus IMAP before 3.0.4, an off-by-one error in prefix calculation for the LIST command caused use of uninitialized memory, which might allow remote attackers to obt…
CVSS 3.0CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.02177 · Published 2017-09-10 · No fix listed CWE-20
Priority MEDIUM 40
Multiple buffer overflows in Cyrus IMAPd before 2.2.11 may allow attackers to execute arbitrary code via (1) an off-by-one error in the imapd annotate extension, (2) an off-by-one error in "cached header handling," (3) a…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.04244 · Published 2005-02-25 · Fixed
Priority MEDIUM 40
Buffer overflow in digestmd5.c CVS release 1.170 (also referred to as digestmda5.c), as used in the DIGEST-MD5 SASL plugin for Cyrus-SASL but not in any official releases, allows remote attackers to execute arbitrary cod…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.03924 · Published 2005-02-13 · No fix listed
Priority LOW 39
Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the start_octet…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.03261 · Published 2015-12-03 · No fix listed CWE-189
Priority LOW 39
The index_urlfetch function in index.c in Cyrus IMAP 2.3.x before 2.3.19, 2.4.x before 2.4.18, 2.5.x before 2.5.4 allows remote attackers to obtain sensitive information or possibly have unspecified other impact via vect…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.03261 · Published 2015-12-03 · Will not fix CWE-119
Priority LOW 39
imap/nntpd.c in the NNTP server (nntpd) for Cyrus IMAPd 2.4.x before 2.4.12 allows remote attackers to bypass authentication by sending an AUTHINFO USER command without sending an additional AUTHINFO PASS command.
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.03289 · Published 2011-12-24 · Fixed CWE-287
Priority LOW 38
Cyrus IMAP before 3.4.2 allows remote attackers to cause a denial of service (multiple-minute daemon hang) via input that is mishandled during hash-table interaction.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03095 · Published 2021-09-01 · Partial fix CWE-407
Priority LOW 38
Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the section_offs…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.02753 · Published 2015-12-03 · No fix listed CWE-189
Priority LOW 35
SQL injection vulnerability in the LDAP and MySQL authentication patch for Cyrus SASL 1.5.24 and 1.5.27 allows remote attackers to execute arbitrary SQL commands and log in as arbitrary POP mail users via the password.
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.01302 · Published 2005-07-14 · No fix listed
Priority LOW 32
An issue was discovered in Cyrus IMAP before 2.5.15, 3.0.x before 3.0.13, and 3.1.x through 3.1.8.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.01655 · Published 2019-12-16 · Partial fix CWE-269
Priority LOW 32
The (1) libsasl and (2) libsasl2 libraries in Cyrus-SASL 2.1.18 and earlier trust the SASL_PATH environment variable to find all available SASL plug-ins, which allows local users to execute arbitrary code by modifying th…
CVSS 2.0HIGH 7.2· Local · No auth · Interaction — · EPSS 0.00502 · Published 2004-10-21 · Fixed
Priority LOW 31
An issue was discovered in Cyrus IMAP before 3.12.4.
CVSS 3.1HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00259 · Published 2026-09-09 · Partial fix · 3.8.8, 3.10.4 +1 CWE-415
Priority LOW 28
An issue was discovered in Cyrus IMAP before 3.12.4.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00224 · Published 2026-09-09 · Partial fix · 3.8.8, 3.10.4 +1 CWE-125
Priority LOW 23
Cyrus IMAP before 3.2.7, and 3.3.x and 3.4.x before 3.4.1, allows remote authenticated users to bypass intended access restrictions on server annotations and consequently cause replication to stall.
CVSS 3.1MEDIUM 4.3· Network · Low privileges · No interaction · EPSS 0.017 · Published 2021-05-10 · Will not fix CWE-732
Priority LOW 22
An issue was discovered in Cyrus IMAP before 3.12.4.
CVSS 3.1MEDIUM 5.0· Network · Low privileges · No interaction · EPSS 0.0019 · Published 2026-09-09 · Partial fix · 3.8.8, 3.10.4 +1 CWE-863
Priority LOW 19
An issue was discovered in Cyrus IMAP before 3.12.4.
CVSS 3.1MEDIUM 4.3· Network · Low privileges · No interaction · EPSS 0.00218 · Published 2026-09-09 · Partial fix · 3.8.8, 3.10.4 +1 CWE-497
Priority LOW 19
An issue was discovered in Cyrus IMAP before 3.12.4.
CVSS 3.1MEDIUM 4.3· Network · Low privileges · No interaction · EPSS 0.00204 · Published 2026-09-09 · Partial fix · 3.8.8, 3.10.4 +1 CWE-420
Priority LOW 18
digestmd5.c in the CMU Cyrus Simple Authentication and Security Layer (SASL) library 2.1.18, and possibly other versions before 2.1.21, allows remote unauthenticated attackers to cause a denial of service (segmentation f…
CVSS 2.0LOW 2.6· Network · No auth · Interaction — · EPSS 0.02488 · Published 2006-04-11 · Fixed CWE-20