Is CVE-2017-9469 in the CISA KEV catalog?

No. CVE-2017-9469 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-9469?

CVE-2017-9469 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-9469?

CVE-2017-9469 has an EPSS score of 6.08% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-9469?

Upgrade irssi on debian 11 to 1.0.3-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-9469

HIGHEPSS 93th pctl

7.5

CVSS v3

NVD

Description

In Irssi before 1.0.3, when receiving certain incorrectly quoted DCC files, it tries to find the terminating quote one byte before the allocated memory. Thus, remote attackers might be able to cause a crash.

CWE-119Buffer Overflow

How to fix

Remediation Available

irssiDebian

Fixed in:1.0.3-1CVE-2017-9469

irssiUbuntu

Fixed in:0.8.15-5ubuntu3.2USN-3317-1

Fixed in:0.8.19-1ubuntu1.4USN-3317-1

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

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

6.08%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Patch2

Third-Party Advisory3

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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 2026-05-13.