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CVE-2019-7524

26
FAUCET Score

CVE-2019-7524 describes a buffer overflow vulnerability in Dovecot versions prior to 2.2.36.3 and 2.3.5.1, specifically affecting the indexer-worker process due to missing checks in the fts and pop3-uidl components. This flaw allows a local attacker to achieve root privilege escalation. With a CVSS score of 7.8 (High), the vulnerability has a low attack complexity and requires local privileges, but can lead to high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.36.3CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
>= 2.3.0, < 2.3.5.1CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 94th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

denopatch availablevia llm_extracted
View patch
drupalpatch availablevia llm_extracted
View patch
freeswitchpatch availablevia llm_extracted
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: dovecot-1:2.2.36-6.el7
View patch
synologypatch availablevia llm_extracted
Fixed in: null
View patch
boschvendor investigatingvia llm_extracted
View patch
broadcomvendor investigatingvia llm_extracted
View patch
ubiquitivendor investigatingvia llm_extracted
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: dovecot
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: dovecot

Vendor Advisories (8)

redhatCVE-2019-7524Moderate

dovecot: Buffer overflow in indexer-worker process results in privilege escalation

Mar 28, 2019
drupalllm-drupal-8b6374fb3766920d

Buffer overflow when reading extension header from dovecot index files

Mar 28, 2019
ubiquitillm-ubiquiti-329a07e20683a114

Buffer overflow when reading extension header from dovecot index files

Mar 28, 2019
synologyllm-synology-1376e9b527381ff5

Buffer overflow when reading extension header from dovecot index files

Mar 28, 2019
denollm-deno-2891a729efb56cf8

Buffer overflow when reading extension header from dovecot index files

Mar 28, 2019
broadcomllm-broadcom-a721ae596adf56e6

CVE-2019-7524: Buffer overflow when reading extension header from dovecot index files

Mar 28, 2019
freeswitchllm-freeswitch-4f8dbc5a9ec01d6f

Buffer overflow when reading extension header from dovecot index files

Mar 28, 2019
boschllm-bosch-5eb392175fc576ee

CVE-2019-7524: Buffer overflow when reading extension header from dovecot index files

Mar 28, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-04/msg00060.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-04/msg00067.html
Mailing ListThird Party Advisory
dovecot.org / list/dovecot-news/2019-March/000403.html
Vendor Advisory
dovecot.org / security.html
Vendor Advisory
lists.debian.org / debian-lts-announce/2019/03/msg00038.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS
seclists.org / bugtraq/2019/Mar/59
Issue TrackingMailing ListThird Party Advisory
security.gentoo.org / glsa/201904-19
usn.ubuntu.com / 3928-1
Third Party Advisory
debian.org / security/2019/dsa-4418
Third Party Advisory
openwall.com / lists/oss-security/2019/03/28/1
Mailing ListThird Party Advisory
securityfocus.com / bid/107672
Third Party AdvisoryVDB Entry