Use After Free in Irssi
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.034 (88.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/irssi/irssi/commit/77b2631c78461965bc9a7414aae206b5c514e1b3 (Patch, Third Party Advisory)
- www.securityfocus.com/bid/97185 (VDB Entry, Third Party Advisory, vdb-entry)
- irssi.org/security/irssi_sa_2017_03.txt (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-7191?
- CVE-2017-7191 is a critical-severity vulnerability in Irssi, classified under Use After Free. CVSS score: 9.8/10. Published 2017-03-27.
- How severe is CVE-2017-7191?
- Critical severity. CVSS v3 base score is 9.8 out of 10.