CVE-2017-15721
UnknownEPSS 2.37%
Last modified
CVE-2017-15721 is a vulnerability of currently unknown severity. In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.. EPSS estimates a 2.37% chance of exploitation in the next 30 days.
Description
In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Irssi | Irssi | <= 1.0.4 |
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
References
- http://openwall.com/lists/oss-security/2017/10/22/4Mailing List, Mitigation, Patch, Third Party Advisory
- https://irssi.org/security/irssi_sa_2017_10.txtMitigation, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2017/dsa-4016Third Party Advisory
- http://openwall.com/lists/oss-security/2017/10/22/4Mailing List, Mitigation, Patch, Third Party Advisory
- https://irssi.org/security/irssi_sa_2017_10.txtMitigation, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2017/dsa-4016Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-15721?
In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.
How severe is CVE-2017-15721?
Severity scoring for CVE-2017-15721 is pending analysis. The EPSS model estimates a 2.37% probability of exploitation in the next 30 days.
How do I fix CVE-2017-15721?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-15721?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST