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.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
3.66%
0%100%
Low · +0.41 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 07-06-2017PublishedVulnerability first disclosed.
- 05-08-2024Last 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 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
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 score3.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- irssi< 1.0.3-1
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- irssi< 1.0.3-r0 | < 0.8.21-r1
Irssi1 product
- irssi≤ 1.0.2
Ubuntu1 product
- irssi< 0.8.15-5ubuntu3.2 | < 0.8.19-1ubuntu1.4
4 vendors · 5 products
References
10 links- openwall.com/lists/oss-security/2017/06/06/4X Refsource CONFIRMMailing ListPatchThird Party AdvisoryREPORT