Security readout for executives and security teams
CVE-2009-1959 is a denial-of-service flaw in Irssi 0.8.13. A remote IRC server could send malformed input that crashes the client. For most organizations this is a legacy-client risk, not a business-critical internet service risk, unless Irssi is still used in operational workflows. Exposure is likely limited to systems running Irssi 0.8.13 or affected distribution packages. The source bundle does not identify CPEs or modern affected versions. Risk is higher where users connect legacy Irssi clients to untrusted or externally controlled IRC servers. Treat this as a targeted legacy hygiene item. It can disrupt users or automation relying on Irssi, but the provided evidence supports denial of service only and does not show active exploitation. Mitigation focus: Inventory systems and users running Irssi, especially version 0.8.13.; Apply relevant Irssi updates from vendor or distribution advisories.; Check the Irssi changelog for the corrected release path..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2009-1959 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- FEDORA-2009-7012CVE reference · vendor-advisory, x_refsource_FEDORA
- irssi-eventwallops-dos(51184)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.