A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI…

Description

A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.

Scores

EPSS (exploitation in 30 days)

2.6% · top 15% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.

Weakness

• CWE-400 (opens in a new tab)All about CWE-400 and its CVEs

Affected products

• The Dovecot Project · dovecot

  • affected before 2.2.34

References (7)

• USN-3587-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• [oss-security] 20180301 Dovecot Security Advisory: CVE-2017-15130 TLS SNI config lookups are inefficient and can be used for DoS (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [debian-lts-announce] 20180331 [SECURITY] [DLA 1333-1] dovecot security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• DSA-4130 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• USN-3587-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1532356 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [dovecot-news] 20180228 v2.2.34 released (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2017-15130](https://trackcve.app/badge/CVE-2017-15130.svg)](https://trackcve.app/cve/CVE-2017-15130)

Record last updated 16 Sept 2024, 20:17 UTC.