7.5

CVE-2017-9468: debian debian_linux NULL Pointer Dereference

CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2017-9468UBUNTU-CVE-2017-9468DEBIAN-CVE-2017-9468
Published 07-06-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-9468 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 3.66% chance of exploitation in the next 30 days, higher than 89.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
3.66%
0%100%
Low · +0.41 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 4

Timeline

  1. 07-06-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a crash.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

3.66%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

+0.41 pp

From 3.25% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.66%

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< 1.0.3-r0 | < 0.8.21-r1
Irssi1 product
Ubuntu1 product
  • irssi< 0.8.15-5ubuntu3.2 | < 0.8.19-1ubuntu1.4

4 vendors · 5 products

References

10 links