Is CVE-2017-9869 in the CISA KEV catalog?

No. CVE-2017-9869 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-9869?

CVE-2017-9869 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2017-9869?

CVE-2017-9869 has an EPSS score of 4.06% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-9869?

Upgrade lame on debian 11 to 3.99.5+repack1-8 or later.

CVE & CISA-KEV Catalog

CVE-2017-9869

MEDIUMEPSS 89th pctl

5.5

CVSS v3

NVD

Description

The II_step_one function in layer2.c in mpglib, as used in libmpgdecoder.a in LAME 3.99.5 and other products, allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted audio file.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

lameDebian

Fixed in:3.99.5+repack1-8CVE-2017-9869

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

4.06%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Third-Party Advisory2

Other references1

exploit-db.com

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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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.