High
Security advisory
A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-15132
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:12 UTC · Revision 1
Source evidence
A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.
osv:CVE-2017-15132
Complete source record
{
"id": "3d09ec18e54e8f727ae9cd309ec1ae927fe2799eb6165a73208c11ce137385c2",
"url": "https://osv.dev/vulnerability/CVE-2017-15132",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-15132",
"summary": "A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.",
"evidence": "osv:CVE-2017-15132",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-15132",
"aliases": [
"CVE-2017-15132"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/dovecot/core",
"type": "GIT",
"events": [
{
"introduced": "5d5c4f2bfb812c767084c0338dae692db476da10"
},
{
"last_affected": "68b0a183ed4d86c3ec05b8fdfbf6f771af799e0c"
},
{
"introduced": "c8b89eb9968980589904a58e8bd72fc8c00039be"
},
{
"last_affected": "c8b89eb9968980589904a58e8bd72fc8c00039be"
},
{
"fixed": "1a29ed2f96da1be22fa5a4d96c7583aa81b8b060"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"last_affected": "2.2.33"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:dovecot:dovecot:2.3.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.3.0"
},
{
"last_affected": "2.3.0"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "1a29ed2f96da1be22fa5a4d96c7583aa81b8b060"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"2.3.0",
"2.2.33",
"2.2.33.rc1",
"2.2.20",
"2.2.20.rc1",
"2.2.19",
"2.2.19.rc2",
"2.2.19.rc1",
"2.2.18",
"2.2.17",
"2.2.17.rc2",
"2.2.17.rc1",
"2.2.16",
"2.2.16.rc1",
"2.2.15",
"2.2.14",
"2.2.14.rc1",
"2.2.13",
"2.2.13.rc1",
"2.2.12",
"2.2.11",
"2.2.10",
"2.2.9",
"2.2.8",
"2.2.7",
"2.2.6",
"2.2.5",
"2.2.4",
"2.2.3",
"2.2.2",
"2.2.1",
"2.2.0",
"2.2.rc7",
"2.2.rc6",
"2.2.rc5",
"2.2.rc4",
"2.2.rc3",
"2.2.rc2",
"2.2.rc1",
"2.2.beta2",
"2.2.beta1",
"2.2.alpha1",
"2.1.rc6",
"2.1.rc5",
"2.1.rc4",
"2.1.rc3",
"2.1.rc2",
"2.1.rc1",
"2.1.beta1",
"2.1.alpha2",
"2.1.alpha1",
"2.0.8",
"2.0.7",
"2.0.6",
"2.0.5",
"2.0.4",
"2.0.3",
"2.0.2",
"2.0.1",
"2.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-15132.json",
"vanir_signatures": [
{
"id": "CVE-2017-15132-b5687e0c",
"digest": {
"length": 189,
"function_hash": "215630281052956561789486511243423684996"
},
"source": "https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060",
"target": {
"file": "src/lib-auth/auth-client-request.c",
"function": "auth_client_request_abort"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-15132-da78e4dc",
"digest": {
"threshold": 0.9,
"line_hashes": [
"256845835522410639369354571979945330357",
"50071296302481837651153587836823008511",
"155824037022152075349161589285698475531",
"309589516607185628648135646432823813963"
]
},
"source": "https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060",
"target": {
"file": "src/lib-auth/auth-client-request.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:20:28Z"
}
}
],
"modified": "2026-10-20T13:20:28.211121345Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html",
"https://usn.ubuntu.com/3556-1/",
"https://usn.ubuntu.com/3556-2/",
"https://www.debian.org/security/2018/dsa-4130",
"https://www.dovecot.org/list/dovecot-news/2018-February/000370.html",
"https://bugzilla.redhat.com/show_bug.cgi?id=1532768",
"https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "12.04"
},
{
"last_affected": "12.04"
},
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "17.10"
},
{
"last_affected": "17.10"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
},
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-15132",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387530,
"published_at": "2018-01-25T20:29:00.213+00:00"
}