9.8

CVE-2018-5206: debian debian_linux NULL Pointer Dereference

CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2018-5206UBUNTU-CVE-2018-5206DEBIAN-CVE-2018-5206
Published 06-01-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-5206 is a critical (CVSS 9.8) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 2.16% chance of exploitation in the next 30 days, higher than 81.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
2.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 4
DSA-4162-1MGASA-2018-0069OPENSUSE-SU-2018:0057-1OPENSUSE-SU-2018:0058-1OPENSUSE-SU-2024:10865-1USN-3527-1

Timeline

  1. 06-01-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.16%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

0.00 pp

From 2.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Alpine1 product
  • irssi< 1.0.6-r0
Irssi1 product
Ubuntu1 product
  • irssi< 0.8.15-5ubuntu3.4 | < 0.8.19-1ubuntu1.6

4 vendors · 5 products

References

8 links