CVE-2017-5194
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
Use-after-free vulnerability in Irssi before 0.8.21 allows remote attackers to cause a denial of service (crash) via an invalid nick message.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 0.8.21-1 | |
| debian | bookworm | fixed | 0.8.21-1 |
| debian | bullseye | fixed | 0.8.21-1 |
| debian | forky | fixed | 0.8.21-1 |
| debian | sid | fixed | 0.8.21-1 |
| debian | trixie | fixed | 0.8.21-1 |
| debian | 7.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| irssi | irssi | {"endExcluding":"0.8.21"} | 0.8.21 |
References
- https://security.archlinux.org/ASA-201701-14
- http://www.openwall.com/lists/oss-security/2017/01/06/1
- http://www.securityfocus.com/bid/95310
- https://irssi.org/security/irssi_sa_2017_01.txt
- https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html
- https://security.gentoo.org/glsa/201701-45
- https://security-tracker.debian.org/tracker/CVE-2017-5194
CWEs
CWE-416
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.