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Fencer Intel
medium 6.5

CVE-2013-7449 json

The ssl_do_connect function in common/server.c in HexChat before 2.10.2, XChat, and XChat-GNOME does not verify that the server hostname ma…

published 10y ago modified 4mo ago also EUVD-2013-7213

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

The ssl_do_connect function in common/server.c in HexChat before 2.10.2, XChat, and XChat-GNOME does not verify that the server hostname matches a domain name in the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Patch / fix

  • hexchat Debian 13, Debian 12 2.10.2-1

debian advisories DEBIAN-CVE-2013-7449

  • hexchat Ubuntu 14.04 LTS 2.9.6.1-2ubuntu0.1
  • xchat-gnome Ubuntu 14.04 LTS 1:0.30.0~git20131003.d20b8d+really20110821-0.2ubuntu12.2

ubuntu advisories UBUNTU-CVE-2013-7449

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2013-7449 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-2013-7449 updated cvss 4.3

xchat/hexchat: does not verify the server hostname matches the domain name in the subject's Common Name (CN) or subjectAltName field in X.509 certificates

  • Red Hat Enterprise Linux 5 xchat Red Hat Enterprise Linux 6 xchat, xchat-tcl Red Hat Enterprise Linux 7 xchat, xchat-tcl
    affected: no fix planned “Will not fix”

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

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness

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.