CVE-2023-29132 json
Irssi 1.3.x and 1.4.x before 1.4.4 has a use-after-free because of use of a stale special collector reference.
published 2023-04-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32735
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
Irssi 1.3.x and 1.4.x before 1.4.4 has a use-after-free because of use of a stale special collector reference. This occurs when printing of a non-formatted line is concurrent with printing of a formatted line.
Patch / fix
- irssi irssi 1.4.4
- irssi Debian 14, Debian 13, Debian 12 1.4.3-2
debian advisories DEBIAN-CVE-2023-29132
- irssi openSUSE Tumbleweed 1.4.4-2.1
opensuse advisories openSUSE-SU-2024:12848-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-29132 updated cvss 7.5
irssi: a use after free possible under special circumstances
-
Red Hat Enterprise Linux 6 irssi Red Hat Enterprise Linux 7 irssi Red Hat Enterprise Linux 8 irssi Red Hat Enterprise Linux 9 irssinot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
irssi.org
/security/irssi_sa_2023_03.txt
third-party-advisory
-
openwall.com
/lists/oss-security/2023/03/30/5
mailing-list, third-party-advisory
Sources
- CVE List CVE-2023-29132
- NVD CVE-2023-29132
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.