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.

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

EPSS: 0.034 (87.5th percentile) — read the EPSS interpretation.

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.

Affected products

Irssi
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_CONFIRM, 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.