CVE-2017-5196
CVE-2017-5196 is a high-severity vulnerability in Irssi with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Irssi
- Published:
- Last modified:
Description
Irssi 0.8.18 before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via vectors involving strings that are not UTF8.
Frequently asked questions
- What is CVE-2017-5196?
- Irssi 0.8.18 before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via vectors involving strings that are not UTF8.
- How severe is CVE-2017-5196?
- CVE-2017-5196 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-5196 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-5196?
- CVE-2017-5196 affects Irssi. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-5196?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-5196 published?
- CVE-2017-5196 was published on 2017-03-03 and last updated on 2026-06-17.
References
- 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://security.gentoo.org/glsa/201701-45
Affected products (1)
- cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:*
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