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Fencer Vulns
high 7.5

CVE-2017-15923 json

Konversation 1.4.x, 1.5.x, 1.6.x, and 1.7.x before 1.7.3 allow remote attackers to cause a denial of service (crash) via vectors related to…

published 2017-11-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7340

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Konversation 1.4.x, 1.5.x, 1.6.x, and 1.7.x before 1.7.3 allow remote attackers to cause a denial of service (crash) via vectors related to parsing of IRC color formatting codes.

Patch / fix

  • konversation konversation 1.7.3
  • konversation Debian 14, Debian 13, Debian 12 1.7.3-1

debian advisories DEBIAN-CVE-2017-15923

  • konversation Ubuntu 14.04 LTS 1.5-1ubuntu1.14.04.2
  • konversation Ubuntu 16.04 LTS 1.6-0ubuntu1.1

ubuntu advisories UBUNTU-CVE-2017-15923

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

  • konversation openSUSE Tumbleweed 21.08.1-1.2

opensuse advisories openSUSE-SU-2024:10898-1

  • konversation Arch Linux 1.7.3-1

arch linux advisories AVG-489

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-2017-15923 updated cvss 5.3

konversation: Denial of service while parsing IRC color formatting codes

  • 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

2.73% 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

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.