CVE-2009-1959
Off-by-one error in the event_wallops function in fe-common/irc/fe-events.c in irssi 0.8.13 allows remote IRC servers to cause a denial of service (crash) via an empty command, which triggers a
02 Description
Off-by-one error in the event_wallops function in fe-common/irc/fe-events.c in irssi 0.8.13 allows remote IRC servers to cause a denial of service (crash) via an empty command, which triggers a
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 8.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-06-06 18:00Z17 YR AGO
- Last updated
- 2024-08-07 05:36Z2 YR AGO
- Reserved
- 2009-06-06
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- c704202aea92b93207ddbfdb6eea7b0bb7f0d81acd65e3c529c5c9f46a7d7c79
05 Affected products
06 References
- xorl.wordpress.comhttp://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
- www.securitytracker.com1022410http://www.securitytracker.com/id?1022410
- www.openwall.com[oss-security] 20090529 CVE Request (irssi)http://www.openwall.com/lists/oss-security/2009/05/29/3
- www.securityfocus.com35399http://www.securityfocus.com/bid/35399
- www.irssi.orghttp://www.irssi.org/ChangeLog
- www.redhat.comFEDORA-2009-7012https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
- bugs.irssi.orghttp://bugs.irssi.org/index.php?do=details&task_id=662
- secunia.com35685http://secunia.com/advisories/35685
- www.vupen.comADV-2009-1596http://www.vupen.com/english/advisories/2009/1596
- lists.opensuse.orgSUSE-SR:2009:012http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
- www.ubuntu.comUSN-800-1http://www.ubuntu.com/usn/usn-800-1
- secunia.com35812http://secunia.com/advisories/35812
- www.mandriva.comMDVSA-2009:133http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
- exchange.xforce.ibmcloud.comirssi-eventwallops-dos(51184)https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
- secunia.com36152http://secunia.com/advisories/36152
07 Fixed in
Debian 12
- irssi Fixed in 0.8.13-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- irssi Fixed in 0.8.13-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- irssi Fixed in 0.8.13-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.