CVE-2017-7191
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service ...
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspecified vectors.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspecified vectors.
- Record
CVE-2017-7191- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspecified vectors.
- Record
CVE-2017-7191- Updated
- 2026-11-02
EUVDEUVD-2017-16229 No score
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspecified vectors.
- Record
EUVD-2017-16229- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2qj4-5xjm-32j8
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service ...
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspecified vectors.
- Record
GHSA-2qj4-5xjm-32j8- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSV
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspecified vectors.
- Record
CVE-2017-7191- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-7191
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspecified vectors.
- Record
DEBIAN-CVE-2017-7191- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-7191
The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspecified vectors.
- Record
UBUNTU-CVE-2017-7191- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-7191 is a critical vulnerability (CVSS 9.8) in Irssi, published March 27, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.36%, the 88th percentile. Fixed in irssi 1.0.2-1.
References
github.com/irssi/irssi/commit/77b2631c78461965bc9a7414aae206b5c514e1b3
securityfocus.com/bid/97185
irssi.org/security/irssi_sa_2017_03.txt
nvd.nist.gov/vuln/detail/CVE-2017-7191
security-tracker.debian.org/tracker/CVE-2017-7191
ubuntu.com/security/CVE-2017-7191
cve.org/CVERecord?id=CVE-2017-7191