Is CVE-2010-1156 in the CISA KEV catalog?

No. CVE-2010-1156 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-1156?

CVE-2010-1156 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2010-1156?

CVE-2010-1156 has an EPSS score of 2.88% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2010-1156?

Upgrade irssi on debian 11 to 0.8.15-1 or later.

CVE & CISA-KEV Catalog

CVE-2010-1156

MEDIUMEPSS 85th pctl

4.3

CVSS v2

NVD

Description

core/nicklist.c in Irssi before 0.8.15 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via vectors related to an attempted fuzzy nick match at the instant that a victim leaves a channel.

How to fix

Remediation Available

irssiDebian

Fixed in:0.8.15-1CVE-2010-1156

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.88%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.