Is CVE-2017-11720 in the CISA KEV catalog?

No. CVE-2017-11720 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-11720?

CVE-2017-11720 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-11720?

CVE-2017-11720 has an EPSS score of 2.46% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-11720?

Upgrade lame on debian 11 to 3.99.5+repack1-6 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2017-11720

CRITICALEPSS 82th pctl

9.8

CVSS v3

NVD

Description

There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file.

CWE-369

How to fix

Remediation Available

lameDebian

Fixed in:3.99.5+repack1-6CVE-2017-11720

lameUbuntu

Fixed in:3.99.5+repack1-3ubuntu1+esm3USN-4780-1

Fixed in:3.99.5+repack1-9ubuntu0.1~esm2USN-4780-1

libmp3lame0Ubuntu

Fixed in:3.99.5+repack1-3ubuntu1+esm3USN-4780-1

Fixed in:3.99.5+repack1-9ubuntu0.1~esm2USN-4780-1

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.46%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Exploit1

sourceforge.net

Other references2

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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.