Bug 2184020 (CVE-2023-29132) - CVE-2023-29132 irssi: a use after free possible under special circumstances
Summary: CVE-2023-29132 irssi: a use after free possible under special circumstances
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2023-29132
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2184033
Blocks: 2183431
TreeView+ depends on / blocked
 
Reported: 2023-04-03 13:06 UTC by Marian Rehak
Modified: 2023-04-03 17:22 UTC (History)
1 user (show)

Fixed In Version: irssi 1.4.4
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Irssi package. When Irssi prints a message while another message is being printed, the list that keeps track of Irssi variables for use in statusbar/message patterns is incorrectly cleaned up, leading to a use-after-free condition.
Clone Of:
Environment:
Last Closed: 2023-04-03 17:22:50 UTC
Embargoed:

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Description Marian Rehak 2023-04-03 13:06:00 UTC 
When Irssi prints a message while another message is being printed, the list that keeps track of Irssi variables for use in statusbar/message patterns is not correctly cleaned up, leading to the use after free condition.

Reference:

https://irssi.org/security/irssi_sa_2023_03.txt
Comment 1 Marian Rehak 2023-04-03 13:08:31 UTC 
From upstream:
Affected versions
-----------------
Irssi 1.3.0 and later
Comment 2 Marian Rehak 2023-04-03 13:22:25 UTC 
Created irssi tracking bugs for this issue:

Affects: fedora-37 [bug 2184033]
Comment 3 Product Security DevOps Team 2023-04-03 17:22:48 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-29132
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