CVE catalog

CVE-2010-4237

mercurial: CVE-2010-4237

Severity: Medium
Published: Oct 29, 2019, 7:15:12 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.82% · Oct 25, 2026

Mercurial before 1.6.4 fails to verify the Common Name field of SSL certificates which allows remote attackers who acquire a certificate signed by a Certificate Authority to perform a man-in-the-middle attack.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	mercurial	sid	`7.2.4-2`	fixed
Debian	mercurial	forky	`7.2.4-2`	fixed
Debian	mercurial	trixie	`7.0.1-2`	fixed
Debian	mercurial	bookworm	`6.3.2-1+deb12u1`	fixed
Debian	mercurial	bookworm-security	`6.3.2-1+deb12u1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	mercurial	source	sid	`1.6.4-1`	low	Not reported	[598841]
Debian	mercurial	source	forky	`1.6.4-1`	low	Not reported	[598841]
Debian	mercurial	source	trixie	`1.6.4-1`	low	Not reported	[598841]
Debian	mercurial	source	bookworm	`1.6.4-1`	low	Not reported	[598841]

[Debian bug #598841]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[mercurial]Fixed
Details (4)
- 6.3.2-1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · bookworm; dsa · mercurial · debian · 12
- 6.3.2-1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · bookworm; dsa · mercurial · debian · 12
- 6.3.2-1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · bookworm; dsa · mercurial · debian · 12
- 6.3.2-1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · bookworm; dsa · mercurial · debian · 12
[mercurial-common]Fixed
Source package: [mercurial]
Details (4)
- 6.3.2-1+deb12u1 · all · bookworm
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · bookworm; dsa · mercurial · debian · 12
- 6.3.2-1+deb12u1 · all · bookworm
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · bookworm; dsa · mercurial · debian · 12
- 6.3.2-1+deb12u1 · all · bookworm-security
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · bookworm; dsa · mercurial · debian · 12
- 6.3.2-1+deb12u1 · all · bookworm-security
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · bookworm; dsa · mercurial · debian · 12

[Debian 13 (Trixie)]

[mercurial]Fixed
Details (2)
- 7.0.1-2 · amd64 · trixie
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · 13
- 7.0.1-2 · arm64 · trixie
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · 13
[mercurial-common]Fixed
Source package: [mercurial]
Details (2)
- 7.0.1-2 · all · trixie
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · 13
- 7.0.1-2 · all · trixie
  Fixed · Fixed: 1.6.4-1
  dsa · mercurial · debian · 13

Observed: Oct 23, 2026, 5:05:05 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]