Is CVE-2017-1000211 in the CISA KEV catalog?

No. CVE-2017-1000211 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-1000211?

CVE-2017-1000211 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2017-1000211?

CVE-2017-1000211 has an EPSS score of 1.70% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-1000211?

Upgrade lynx on debian 11 to 2.8.9dev16-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-1000211

MEDIUMEPSS 74th pctl

5.3

CVSS v3

NVD

Description

Lynx before 2.8.9dev.16 is vulnerable to a use after free in the HTML parser resulting in memory disclosure, because HTML_put_string() can append a chunk onto itself.

CWE-416Use After Free

How to fix

Remediation Available

lynxDebian

Fixed in:2.8.9dev16-1CVE-2017-1000211

lynxUbuntu

Fixed in:2.8.9dev8-4ubuntu1+esm2USN-4800-1

Fixed in:2.8.9dev16-3ubuntu0.1~esm1USN-4800-1

Fixed in:2.9.0dev.5-1ubuntu0.1~esm1USN-4800-1

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

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.70%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Vendor Advisory1

lynx.invisible-island.net

Third-Party Advisory1

github.com

Other references2

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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HTML

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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.