CVE-2017-1000211

Lynx before 2.8.9dev.16 is vulnerable to a use after free in the HTML parser resulting in memory...

5.3 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

1.73%Up 0.7 points since Apr 14, 2021

What each source reports

NVD Score used 5.3

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.

Record: CVE-2017-1000211
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-416
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2017-1000211
Updated: 2026-11-02

EUVDEUVD-2017-1485 No score

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.

Record: EUVD-2017-1485
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6qv4-ghq2-3r52 5.3

Lynx before 2.8.9dev.16 is vulnerable to a use after free in the HTML parser resulting in memory...

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.

Record: GHSA-6qv4-ghq2-3r52
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-416
Updated: 2026-11-02

OSV 5.3

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.

Record: CVE-2017-1000211
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-1000211 5.3

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.

Record: DEBIAN-CVE-2017-1000211
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

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OSVUBUNTU-CVE-2017-1000211 5.3

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.

Record: UBUNTU-CVE-2017-1000211
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVMGASA-2017-0451 No score

Updated lynx package fixes security vulnerability

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. (CVE-2017-1000211)

Record: MGASA-2017-0451
Updated: 2026-11-02

OSVSUSE-SU-2017:3180-1 No score

Security update for lynx

This update for lynx fixes the following issues:

Security issue fixed:

CVE-2017-1000211: Fix use after free in the HTMLparser that can resulting in memory disclosure (bsc#1068885).

Record: SUSE-SU-2017:3180-1
Updated: 2026-11-02

OSVUSN-4800-1 No score

lynx vulnerabilities

It was discovered that Lynx incorrectly handled certain URLs. A remote attacker could possibly use this issue to obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 16.04 ESM. (CVE-2016-9179)

It was discovered that Lynx incorrectly handled certain HTML files. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 ESM. (CVE-2017-1000211)

Thorsten Glaser discovered that Lynx mishandles the userinfo subcomponents of a URI. An attacker monitoring the network could discover cleartext credentials because they may appear in SNI data. (CVE-2021-38165)

Record: USN-4800-1
Updated: 2026-11-02

Affected products

lynx project lynx

Affected packages

Affected packages
Package	Affected	Fixed
`lynx` Debian:12	before 2.8.9dev16-1	2.8.9dev16-1
`lynx` Debian:13	before 2.8.9dev16-1	2.8.9dev16-1
`lynx` Debian:14	before 2.8.9dev16-1	2.8.9dev16-1
`lynx-cur` Debian:7	before 2.8.8dev.12-2+deb7u2, plus listed versions 2.8.8dev.12-22.8.8dev.12-2+deb7u1	2.8.8dev.12-2+deb7u2
`lynx` Mageia:5	before 2.8.8-1.rel2.3.2.mga5	2.8.8-1.rel2.3.2.mga5
`lynx` Mageia:6	before 2.8.8-1.rel2.6.1.mga6	2.8.8-1.rel2.6.1.mga6
`lynx` SUSE:Linux Enterprise Software Development Kit 11 SP4	before 2.8.6-146.3.1	2.8.6-146.3.1
`lynx` Ubuntu:Pro:16.04:LTS	before 2.8.9dev8-4ubuntu1+esm1, plus listed versions 2.8.9dev8-4ubuntu1	2.8.9dev8-4ubuntu1+esm1
`lynx` Ubuntu:Pro:16.04:LTS From an advisory covering 3 CVEs	before 2.8.9dev8-4ubuntu1+esm2, plus listed versions 2.8.9dev8-4ubuntu12.8.9dev8-4ubuntu1+esm1	2.8.9dev8-4ubuntu1+esm2
`lynx` Ubuntu:Pro:18.04:LTS From an advisory covering 3 CVEs	before 2.8.9dev16-3ubuntu0.1~esm1, plus listed versions 2.8.9dev16-12.8.9dev16-22.8.9dev16-3	2.8.9dev16-3ubuntu0.1~esm1
`lynx` Ubuntu:Pro:20.04:LTS From an advisory covering 3 CVEs	before 2.9.0dev.5-1ubuntu0.1~esm1, plus listed versions 2.9.0dev.4-12.9.0dev.5-1	2.9.0dev.5-1ubuntu0.1~esm1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-1000211 is a medium vulnerability (CVSS 5.3) in Lynx Project Lynx, published November 17, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.73%, the 77th percentile. Fixed in lynx 2.8.9dev16-1.

References

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