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Fencer Intel
medium 4.0

CVE-2010-3780 json

Dovecot 1.2.x before 1.2.15 allows remote authenticated users to cause a denial of service (master process outage) by simultaneously discon…

published 16y ago modified 4mo ago also EUVD-2010-3759

cvss
4.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Dovecot 1.2.x before 1.2.15 allows remote authenticated users to cause a denial of service (master process outage) by simultaneously disconnecting many (1) IMAP or (2) POP3 sessions.

Patch / fix

  • dovecot Debian 14, Debian 13, Debian 12 1:1.2.15-1

debian advisories DEBIAN-CVE-2010-3780

  • dovecot RHEL 6 1:2.0.9-2.el6
  • dovecot-mysql RHEL 6 1:2.0.9-2.el6
  • dovecot-pgsql RHEL 6 1:2.0.9-2.el6
  • dovecot-pigeonhole RHEL 6 1:2.0.9-2.el6

red hat advisories RHSA-2011:0600

Is CVE-2010-3780 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-3780 updated cvss 4.0

Dovecot: Busy master process, receiving a lot of SIGCHLD signals rapidly while logging, could die

  • Red Hat Enterprise Linux Server (v. 6) dovecot 2.0.9-2.el6, dovecot-mysql 2.0.9-2.el6, dovecot-pgsql 2.0.9-2.el6, dovecot-pigeonhole 2.0.9-2.el6 Red Hat Enterprise Linux Server Optional (v. 6) dovecot 2.0.9-2.el6 Red Hat Enterprise Linux Workstation (v. 6) dovecot 2.0.9-2.el6, dovecot-mysql 2.0.9-2.el6, dovecot-pgsql 2.0.9-2.el6, dovecot-pigeonhole 2.0.9-2.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) dovecot 2.0.9-2.el6
    fixed: vendor fix RHSA-2011:0600
  • Red Hat Enterprise Linux 4 dovecot Red Hat Enterprise Linux 5 dovecot
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.06% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.