CVE-2010-2810

Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.

Published: 2010-08-20 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-2810 is rated Moderate Risk (53.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.38%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-2810

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 5.07% 2.38% -2.69%
2 2025-03-29 2.38% 5.07% +2.69%
3 2025-03-19 — 2.38% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-2810

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2010-2810

OS Trackers for CVE-2010-2810

vendor priority summary link
redhat — — https://access.redhat.com/security/cve/CVE-2010-2810
ubuntu low CVE-2010-2810 low priority: Ubuntu including 1 source packages (lynx-cur), 11 status rows across 11 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, upstream): ignored 5, not-affected 4, released 2. https://ubuntu.com/security/CVE-2010-2810

Affected software / configurations for CVE-2010-2810

Vendor Product Version Raw CPE
lynx lynx 2.8.8 cpe:2.3:a:lynx:lynx:2.8.8:dev.1:*:*:*:*:*:*
lynx lynx 2.8.8 cpe:2.3:a:lynx:lynx:2.8.8:dev.2:*:*:*:*:*:*
lynx lynx 2.8.8 cpe:2.3:a:lynx:lynx:2.8.8:dev.3:*:*:*:*:*:*
lynx lynx 2.8.8 cpe:2.3:a:lynx:lynx:2.8.8:dev.4:*:*:*:*:*:*

References for CVE-2010-2810

cvelogic Threat Intelligence