Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2017-15721

In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.

Published

2017-10-22T20:29:00.307

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	irssi	irssi	≤ 1.0.4	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://openwall.com/lists/oss-security/2017/10/22/4 Mailing List, Mitigation, Patch, Third Party Advisory ([email protected])
https://irssi.org/security/irssi_sa_2017_10.txt Mitigation, Patch, Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html Mailing List, Third Party Advisory ([email protected])
https://www.debian.org/security/2017/dsa-4016 Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2017/10/22/4 Mailing List, Mitigation, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://irssi.org/security/irssi_sa_2017_10.txt Mitigation, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2017/dsa-4016 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)