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Fencer Vulns
high 7.5

CVE-2017-8073 json

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin.

published 2017-04-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17036

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Patch / fix

  • weechat weechat 1.7.1
  • weechat Debian 14, Debian 13, Debian 12 1.7-3

debian advisories DEBIAN-CVE-2017-8073

  • weechat Ubuntu 14.04 LTS 0.4.2-3ubuntu0.1
  • weechat Ubuntu 16.04 LTS 1.4-2ubuntu0.1

ubuntu advisories UBUNTU-CVE-2017-8073

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

  • weechat openSUSE Tumbleweed 3.2-1.3

opensuse advisories openSUSE-SU-2024:11508-1

  • weechat Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 1.7.1-r0
  • weechat Alpine 3.2 1.2-r1
  • weechat Alpine 3.3 1.3-r4
  • weechat Alpine 3.4 1.5-r2
  • weechat Alpine 3.5 1.6.0-r1

alpine advisories ALPINE-CVE-2017-8073

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • weechat Arch Linux 1.7.1-1

arch linux advisories AVG-253

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-2017-8073 updated cvss 7.5

weechat: Buffer overflow in the irc_ctcp_dcc_filename_without_quotes function

  • Red Hat All currently supported Red Hat products
    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

3.11% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns 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.