CVE-2017-5193 — NULL Pointer Dereference in Irssi

CWE-476 — NULL Pointer Dereference10 documents7 sources
Severity
7.5HIGHNVD
OSV3.3
EPSS
1.9%
top 16.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
IrssiDebian IrssiDebian Linux
Timeline
PublishedMar 3
Latest updateMay 14

Description

The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a message without a nick.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶NVDirssi/irssi< 0.8.21
▶debiandebian/irssi< irssi 0.8.21-1 (bookworm)
▶Debianirssi/irssi< 0.8.21-1+3
▶Ubuntuirssi/irssi< 0.8.15-5ubuntu3.1+1

Also affects: Debian Linux 7.0

Patches

Patch: irssi.org ↗Patch: irssi.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-g4fg-wxpr-x2cj: The nickcmp function in Irssi before 0↗2022-05-14
▶
OSV
CVE-2017-5193: The nickcmp function in Irssi before 0↗2017-03-03
▶
OSV
irssi vulnerabilities↗2017-02-01
▶

📋Vendor Advisories

3
Ubuntu
Irssi vulnerabilities↗2017-02-01
▶
Red Hat
irssi: Null pointer dereference in the nickcmp function↗2017-01-05
▶
Debian
CVE-2017-5193: irssi - The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a d...↗2017
▶

💬Community

3
Bugzilla
CVE-2017-5193 irssi: Null pointer dereference in the nickcmp function↗2017-01-06
▶
Bugzilla
CVE-2017-5193 CVE-2017-5194 CVE-2017-5356 irssi: various flaws [epel-5]↗2017-01-06
▶
Bugzilla
CVE-2017-5193 CVE-2017-5194 CVE-2017-5195 CVE-2017-5196 CVE-2017-5356 irssi: various flaws [fedora-all]↗2017-01-06
▶
CVE-2017-5193 — NULL Pointer Dereference in Irssi | cvebase