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Fencer Vulns
high 7.5

CVE-2017-14727 json

logger.c in the logger plugin in WeeChat before 1.9.1 allows a crash via strftime date/time specifiers, because a buffer is not initialized.

published 2017-09-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6224

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

logger.c in the logger plugin in WeeChat before 1.9.1 allows a crash via strftime date/time specifiers, because a buffer is not initialized.

Patch / fix

  • weechat Debian 14, Debian 13, Debian 12 1.9.1-1

debian advisories DEBIAN-CVE-2017-14727

  • weechat Ubuntu Pro 16.04 LTS 1.4-2ubuntu0.1+esm1

ubuntu advisories UBUNTU-CVE-2017-14727

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 +15 more 1.9.1-r0
  • weechat Alpine 3.5 1.6.0-r2
  • weechat Alpine 3.6 1.7.1-r2

alpine advisories ALPINE-CVE-2017-14727

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 1.9.1-1

arch linux advisories AVG-412

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-2017-14727 updated cvss 3.3

weechat: Uninitialized buffer used in logger plugin

  • 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

2.84% chance of exploitation in the next 30 days, higher than 86% 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.