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CVE-2017-15132

26
FAUCET Score

CVE-2017-15132 is a memory leak vulnerability affecting Dovecot versions 2.0 through 2.2.33 and 2.3.0, as well as various Canonical and Debian Linux distributions. This flaw occurs when SASL authentication is aborted, leading to memory exhaustion and potential process crashes in high-performance configurations. Rated with a CVSS score of 7.5 (High), it is a network-exploitable vulnerability with low attack complexity, resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, <= 2.2.33CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
2.3.0CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:2.3.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.12%
Probability of exploitation in next 30 days
EPSS Percentile
86.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0312 is in the 76th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: dovecot
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: dovecot

Vendor Advisories (1)

redhatCVE-2017-15132Moderate

dovecot: Auth leaks memory if SASL authentication is aborted

Jan 9, 2018

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/03/msg00036.html
Mailing ListThird Party Advisory
usn.ubuntu.com / 3556-1
Third Party Advisory
usn.ubuntu.com / 3556-2
Third Party Advisory
debian.org / security/2018/dsa-4130
Third Party Advisory
dovecot.org / list/dovecot-news/2018-February/000370.html
Vendor Advisory