CVE-2017-5356

7.5 HIGH

Published: March 03, 2017 Modified: May 13, 2026

Description

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 (]).

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.openwall.com/lists/oss-security/2017/01/12/8

Source: security@debian.org

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2017/01/13/2

Source: security@debian.org

Mailing List Third Party Advisory

http://www.securityfocus.com/bid/96581

Source: security@debian.org

Third Party Advisory VDB Entry

https://blog.fuzzing-project.org/55-Fuzzing-Irssi-with-Perl-Scripts.html

Source: security@debian.org

Exploit Technical Description Third Party Advisory

https://irssi.org/security/irssi_sa_2017_01.txt

Source: security@debian.org

Patch Vendor Advisory

https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html

Source: security@debian.org

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2017/01/12/8

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2017/01/13/2

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.securityfocus.com/bid/96581

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory VDB Entry

https://blog.fuzzing-project.org/55-Fuzzing-Irssi-with-Perl-Scripts.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Technical Description Third Party Advisory

https://irssi.org/security/irssi_sa_2017_01.txt

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Vendor Advisory

https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

12 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

4.8%

91th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-125

Affected Vendors

irssi debian

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