Out-of-bounds Read in Irssi
CVE-2017-5356
Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).
Vulnerability class: Buffer Overflow
EPSS: 0.048 (91.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Irssi
- Debian Debian_linux — versions 7.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@debian.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
- security@debian.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security@debian.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@debian.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-5356?
- CVE-2017-5356 is a high-severity vulnerability in Irssi, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2017-03-03.
- How severe is CVE-2017-5356?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-5356 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.