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CVE-2017-1000211

20
FAUCET Score

CVE-2017-1000211 describes a use-after-free vulnerability in the HTML parser of Lynx web browser versions prior to 2.8.9dev.16. This flaw, categorized as CWE-416, allows for memory disclosure due to the HTML_put_string() function appending a chunk onto itself. With a CVSS v3 score of 5.3 (Medium), it can be exploited remotely over the network with low attack complexity, potentially leading to a loss of confidentiality. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.8.9CPE matchmatch criteria
cpe:2.3:a:lynx_project:lynx:2.8.9:dev15:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 60th percentile among its peer group of 23,690 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: lynx

Vendor Advisories (1)

redhatCVE-2017-1000211Low

lynx: Use after free in HTML.c:HTML_put_string() can lead to memory disclosure

Dec 6, 2017

References

lynx.invisible-island.net / current/CHANGES.html
Release NotesVendor Advisory
github.com / ThomasDickey/lynx-snapshots/commit/280a61b300a1614f6037efc0902ff7ecf17146e9
Release NotesThird Party Advisory
lists.debian.org / debian-lts-announce/2017/11/msg00021.html
securityfocus.com / bid/102180