{"id":"CVE-2025-59031","aliases":["ALPINE-CVE-2025-59031","AZL-81689","CLSA-2026-1787334245","DEBIAN-CVE-2025-59031","EUVD-2025-209090","GHSA-7r6x-855q-h59r","OESA-2026-1849","SUSE-SU-2026:1641-1","SUSE-SU-2026:21208-1","SUSE-SU-2026:4139-1","UBUNTU-CVE-2025-59031","openSUSE-SU-2026:10442-1","openSUSE-SU-2026:20554-1"],"status":"published","title":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely...","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00294,"percentile":0.22144,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2026-03-27T00:00:00Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Alpine:v3.23","package":"dovecot","fixed_in":["2.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"dovecot","fixed_in":["2.4.3-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"dovecot","fixed_in":["1:2.3.19.1+dfsg1-2.1+deb12u2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"dovecot","fixed_in":["1:2.4.1+dfsg1-6+deb13u4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"dovecot","fixed_in":["1:2.4.3+dfsg1-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"dovecot","fixed_in":["1:2.3.16+dfsg1-3ubuntu2.7"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"dovecot","fixed_in":["1:2.3.21+dfsg1-2ubuntu6.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:25.10","package":"dovecot","fixed_in":["1:2.4.1+dfsg1-5ubuntu4.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.23","package":"dovecot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"2.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"dovecot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"2.4.3-r0"}]}]},{"source":"osv","ecosystem":"Azure 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Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59031","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-7r6x-855q-h59r"},{"url":"https://security.alpinelinux.org/vuln/CVE-2025-59031","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1787334245.html","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0394","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59031.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-59031","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1849","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59032","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27855","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27856","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27857","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27858","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27859","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261641-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1260895","tags":["report"]},{"url":"https://bugzilla.suse.com/1260897","tags":["report"]},{"url":"https://bugzilla.suse.com/1260898","tags":["report"]},{"url":"https://bugzilla.suse.com/1260899","tags":["report"]},{"url":"https://bugzilla.suse.com/1260900","tags":["report"]},{"url":"https://bugzilla.suse.com/1260901","tags":["report"]},{"url":"https://bugzilla.suse.com/1260902","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2025-59031","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-59032","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27855","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27856","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27857","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27858","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27859","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621208-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1260893","tags":["report"]},{"url":"https://bugzilla.suse.com/1260894","tags":["report"]},{"url":"https://bugzilla.suse.com/1260896","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2025-59028","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-24031","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27860","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264139-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1229183","tags":["report"]},{"url":"https://bugzilla.suse.com/1229184","tags":["report"]},{"url":"https://bugzilla.suse.com/1265147","tags":["report"]},{"url":"https://bugzilla.suse.com/1265148","tags":["report"]},{"url":"https://bugzilla.suse.com/1265149","tags":["report"]},{"url":"https://bugzilla.suse.com/1265150","tags":["report"]},{"url":"https://bugzilla.suse.com/1276794","tags":["report"]},{"url":"https://bugzilla.suse.com/1276795","tags":["report"]},{"url":"https://bugzilla.suse.com/1276799","tags":["report"]},{"url":"https://bugzilla.suse.com/1276800","tags":["report"]},{"url":"https://bugzilla.suse.com/1276802","tags":["report"]},{"url":"https://bugzilla.suse.com/1276804","tags":["report"]},{"url":"https://bugzilla.suse.com/1276809","tags":["report"]},{"url":"https://bugzilla.suse.com/1276811","tags":["report"]},{"url":"https://bugzilla.suse.com/1276812","tags":["report"]},{"url":"https://bugzilla.suse.com/1276815","tags":["report"]},{"url":"https://bugzilla.suse.com/1276817","tags":["report"]},{"url":"https://bugzilla.suse.com/1276820","tags":["report"]},{"url":"https://bugzilla.suse.com/1276824","tags":["report"]},{"url":"https://bugzilla.suse.com/1276826","tags":["report"]},{"url":"https://bugzilla.suse.com/1276827","tags":["report"]},{"url":"https://bugzilla.suse.com/1276828","tags":["report"]},{"url":"https://bugzilla.suse.com/1276830","tags":["report"]},{"url":"https://bugzilla.suse.com/1276833","tags":["report"]},{"url":"https://bugzilla.suse.com/1276835","tags":["report"]},{"url":"https://bugzilla.suse.com/1276837","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23184","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23185","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27852","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33263","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33603","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33604","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33605","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33606","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33607","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40014","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40015","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40016","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40019","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40020","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40203","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40205","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42006","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42007","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42008","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42391","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42393","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42395","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-52681","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-52687","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-73208","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-73209","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2025-59031","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-59031","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8136-1","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-59031","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","status":"published","published":"2026-03-27T08:10:15.956Z","modified":"2026-03-27T19:42:40.634Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:32:47.447481Z"}],"euvd":[{"id":"EUVD-2025-209090","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","status":"published","published":"2026-03-27T08:10:15Z","modified":"2026-03-27T19:42:40Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:27.277964Z"}],"ghsa":[{"id":"GHSA-7r6x-855q-h59r","title":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely...","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","status":"published","published":"2026-03-27T09:31:18Z","modified":"2026-03-27T09:31:25Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:06:54.074781Z"}],"nvd":[{"id":"CVE-2025-59031","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","status":"published","published":"2026-03-27T09:16:18.783Z","modified":"2026-10-07T09:10:00.16Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:01.641503Z"}],"osv":[{"id":"ALPINE-CVE-2025-59031","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","status":"published","published":"2026-03-27T09:16:18.783Z","modified":"2026-08-27T22:18:02.994641757Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:27:50.269992Z"},{"id":"CVE-2025-59031","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","status":"published","published":"2026-03-27T08:10:15.956Z","modified":"2026-10-28T02:30:53.831111469Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:44:51.190588Z"},{"id":"DEBIAN-CVE-2025-59031","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","status":"published","published":"2026-03-27T09:16:18.783Z","modified":"2026-10-08T09:47:25.396993623Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:47.697959Z"},{"id":"OESA-2026-1849","title":"dovecot security update","description":"Dovecot is an IMAP server for Linux/UNIX-like systemsa wrapper package that will just handle common things for all versioned dovecot packages.\r\n\r\nSecurity Fix(es):\n\nDovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.(CVE-2025-59031)\n\nManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it unavailable for other users. Control access to ManageSieve port, or disable the service if it\u0026apos;s not needed. Alternatively upgrade to a fixed version. No publicly available exploits are known.(CVE-2025-59032)\n\nWhen dovecot has been configured to use per-domain passwd files, and they are placed one path component above /etc, or slash has been added to allowed characters, path traversal can happen if the domain component is directory partial. This allows inadvertently reading /etc/passwd (or some other path which ends with passwd). If this file contains passwords, it can be used to authenticate wrongly, or if this is userdb, it can unexpectly make system users appear valid users.  Upgrade to fixed version, or use different authentication scheme that does not rely on paths. Alternatively you can also ensure that the per-domain passwd files are in some other location, such as /etc/dovecot/auth/%d. No publicly available exploits are known.(CVE-2026-0394)\n\nDovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If authentication happens over unsecure connection, switch to SCRAM protocol. Alternatively ensure the communcations are secured, and if possible switch to OAUTH2 or SCRAM. No publicly available exploits are known.(CVE-2026-27855)\n\nDoveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential will lead into full access to the affected component. Limit access to the doveadm http service port, install fixed version. No publicly available exploits are known.(CVE-2026-27856)\n\nSending \u0026quot;NOOP (((...)))\u0026quot; command with 4000 parenthesis open+close results in ~1MB extra memory usage. Longer commands will result in client disconnection. This 1 MB can be left allocated for longer time periods by not sending the command ending LF. So attacker could connect possibly from even a single IP and create 1000 connections to allocate 1 GB of memory, which would likely result in reaching VSZ limit and killing the process and its other proxied connections. Attacker could connect possibly from even a single IP and create 1000 connections to allocate 1 GB of memory, which would likely result in reaching VSZ limit and killing the process and its other proxied connections. Install fixed version, there is no other remediation. No publicly available exploits are known.(CVE-2026-27857)\n\nAttacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory.\n Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No publicly available exploits are known.(CVE-2026-27858)\n\nA mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed version where the processing is limited. No publicly available exploits are known.(CVE-2026-27859)","status":"published","published":"2026-04-11T11:10:52Z","modified":"2026-08-18T01:19:47.190173179Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"UBUNTU-CVE-2025-59031","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","status":"published","published":"2026-03-27T00:00:00Z","modified":"2026-04-22T16:07:10.327224Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:55:50.817402Z"},{"id":"AZL-81689","title":"CVE-2025-59031 affecting package dovecot 2.3.20-1","description":"Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.","status":"published","published":"2026-03-27T09:16:18Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:24.988217Z"},{"id":"CLSA-2026-1787334245","title":"dovecot: Fix of 2 CVEs","description":"- CVE-2026-0394: normalize expanded passwd-file paths and enforce their base\n  directory to prevent path traversal\n- CVE-2025-59031: remove the unsafe decode2text.sh attachment conversion script","status":"published","published":"2026-08-21T17:44:15Z","modified":"2026-10-26T09:43:12.829274874Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"openSUSE-SU-2026:10442-1","title":"dovecot24-2.4.3-1.1 on GA media","description":"These are all security issues fixed in the dovecot24-2.4.3-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-03-27T00:00:00Z","modified":"2026-03-28T08:45:58.692143Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:20554-1","title":"Security update for dovecot24","description":"This update for dovecot24 fixes the following issues:\n\n- Update to v2.4.3\n- CVE-2025-59028: Invalid base64 authentication can cause DoS for other logins (bsc#1260894).\n- CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing\n  (bsc#1260895).\n- CVE-2025-59032: pigeonhole: ManageSieve panic occurs with sieve-connect as a client (bsc#1260902).\n- CVE-2026-24031: SQL injection possible if auth_username_chars is configured empty. Fixed escaping to always happen.\n  v2.4 regression (bsc#1260896).\n- CVE-2026-27855: OTP driver vulnerable to replay attack (bsc#1260900).\n- CVE-2026-27856: Doveadm credentials were not checked using timing-safe checking function (bsc#1260899).\n- CVE-2026-27857: sending excessive parenthesis causes imap-login to use excessive memory (bsc#1260898).\n- CVE-2026-27858: pigeonhole: managesieve-login can allocate large amount of memory during authentication (bsc#1260901).\n- CVE-2026-27859: excessive RFC 2231 MIME parameters in email would can excessive CPU usage (bsc#1260897).\n- CVE-2026-27860: LDAP query injection possible if auth_username_chars is configured empty. Fixed escaping to always\n  happen. v2.4 regression (bsc#1260893).\n","status":"published","published":"2026-04-16T13:10:27Z","modified":"2026-04-22T18:27:08.975719Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"SUSE-SU-2026:1641-1","title":"Security update for dovecot22","description":"This update for dovecot22 fixes the following issues:\n\n- CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing (bsc#1260895).\n- CVE-2025-59032: pigeonhole: ManageSieve panic occurs with sieve-connect as a client (bsc#1260902).\n- CVE-2026-27855: OTP driver vulnerable to replay attack (bsc#1260900).\n- CVE-2026-27856: Doveadm credentials were not checked using timing-safe checking function (bsc#1260899).\n- CVE-2026-27857: sending excessive parenthesis causes imap-login to use excessive memory (bsc#1260898).\n- CVE-2026-27858: pigeonhole: managesieve-login can allocate large amount of memory during authentication (bsc#1260901).\n- CVE-2026-27859: excessive RFC 2231 MIME parameters in email would can excessive CPU usage (bsc#1260897).\n","status":"published","published":"2026-04-28T11:53:47Z","modified":"2026-04-29T08:01:18.169689Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:21208-1","title":"Security update for dovecot24","description":"This update for dovecot24 fixes the following issues:\n\n- Update to v2.4.3\n- CVE-2025-59028: Invalid base64 authentication can cause DoS for other logins (bsc#1260894).\n- CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing\n  (bsc#1260895).\n- CVE-2025-59032: pigeonhole: ManageSieve panic occurs with sieve-connect as a client (bsc#1260902).\n- CVE-2026-24031: SQL injection possible if auth_username_chars is configured empty. Fixed escaping to always happen.\n  v2.4 regression (bsc#1260896).\n- CVE-2026-27855: OTP driver vulnerable to replay attack (bsc#1260900).\n- CVE-2026-27856: Doveadm credentials were not checked using timing-safe checking function (bsc#1260899).\n- CVE-2026-27857: sending excessive parenthesis causes imap-login to use excessive memory (bsc#1260898).\n- CVE-2026-27858: pigeonhole: managesieve-login can allocate large amount of memory during authentication (bsc#1260901).\n- CVE-2026-27859: excessive RFC 2231 MIME parameters in email would can excessive CPU usage (bsc#1260897).\n- CVE-2026-27860: LDAP query injection possible if auth_username_chars is configured empty. Fixed escaping to always\n  happen. v2.4 regression (bsc#1260893).\n","status":"published","published":"2026-04-16T13:15:05Z","modified":"2026-04-22T18:26:16.302742Z","updated_at":"2026-11-02T15:54:02.312556Z"},{"id":"SUSE-SU-2026:4139-1","title":"Security update for dovecot23","description":"This update for dovecot23 fixes the following issues:\n\n- CVE-2024-23184: parsing of messages containing many address headers (From, To, Cc, Bcc, etc.) could be excessively CPU\n  intensive (bsc#1229184).\n- CVE-2024-23185: large headers can cause resource exhaustion when parsing message (bsc#1229183).\n- CVE-2025-59028: Invalid base64 authentication can cause DoS for other logins (bsc#1260894).\n- CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing\n  (bsc#1260895).\n- CVE-2025-59032: pigeonhole: ManageSieve panic occurs with sieve-connect as a client (bsc#1260902).\n- CVE-2026-27852: DoS by sending mail with bad header (bsc#1276799).\n- CVE-2026-27855: OTP driver vulnerable to replay attack (bsc#1260900).\n- CVE-2026-27856: Doveadm credentials were not checked using timing-safe checking function (bsc#1260899).\n- CVE-2026-27857: sending excessive parenthesis causes imap-login to use excessive memory (bsc#1260898).\n- CVE-2026-27858: pigeonhole: managesieve-login can allocate large amount of memory during authentication (bsc#1260901).\n- CVE-2026-27859: excessive RFC 2231 MIME parameters in email would can excessive CPU usage (bsc#1260897).\n- CVE-2026-33263: submission-login: Panic when mail_max_userip_connections is reached (bsc#1276794).\n- CVE-2026-33603: login: base64 input can contain tabs that bypass IPC protection (bsc#1265147).\n- CVE-2026-33604: SMTP Smuggling via Missing Dot-Stuffing (bsc#1276802).\n- CVE-2026-33605: managesieve-login: Pre-auth crash (bsc#1276809).\n- CVE-2026-33606: dsync: Mail content can cause dsync protocol injection (bsc#1276800).\n- CVE-2026-33607: IMAP LIST match_sub() Exponential Backtracking -- CPU Denial of Service (bsc#1276795).\n- CVE-2026-40014: CPU DoS via Crafted References Header (bsc#1276804).\n- CVE-2026-40015: imap-hibernate can be crashed (bsc#1276812).\n- CVE-2026-40016: Sieve :contains/:matches O(NxM) substring match bypasses sieve_max_cpu_time limit (bsc#1265148).\n- CVE-2026-40019: managesieve-login pre-auth infinite loop (bsc#1276811).\n- CVE-2026-40020: IMAP folders can be shared-spammed to everyone (bsc#1265149).\n- CVE-2026-40203: IMAP Compression Can Reveal Whether a Small Synced Email Body Matches Sender-Chosen Text\n  (bsc#1276815).\n- CVE-2026-40205: OAuth2 passdb scope enforcement bypass via OR semantics in remote validation path (bsc#1276820).\n- CVE-2026-42006: imap-login: uncontrolled memory usage with excessive bracing over IMAP (bsc#1265150).\n- CVE-2026-42007: editheader RCE (bsc#1276817).\n- CVE-2026-42008: XCLIENT FORWARD= bare token not namespaced (bsc#1276824).\n- CVE-2026-42391: imap: Pre-login memory/CPU growth with ID command (bsc#1276835).\n- CVE-2026-42393: doveadm_password or api key length can still be leaked with timing comparisons (bsc#1276827).\n- CVE-2026-42395: Single NUL-Byte XCLIENT FORWARD Payload Crashes (bsc#1276826).\n- CVE-2026-52681: Sieve resource usage tracking lost when active script changes (bsc#1276828).\n- CVE-2026-52687: IMAP: COMPRESS ZSTD can cause excessive memory usage (bsc#1276837).\n- CVE-2026-73208: auth: db-oauth2: aud claim used as fallback for missing scope claim (bsc#1276830).\n- CVE-2026-73209: imap-login crash: Self-recursion on zero-output decompress chunks (bsc#1276833).\n\nChanges for dovecot23:\n\n- Update to version 2.3.21.1.\n","status":"published","published":"2026-09-14T07:22:32Z","modified":"2026-09-28T18:23:12.561527353Z","updated_at":"2026-11-02T15:54:05.392906Z"}]}}