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Vulnerability record · CVE-2010-2810 · published 20 August 2010

CVE-2010-2810: Lynx memory buffer overflow vulnerability

Lynx · Lynx

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.

6.8 CVSS 2.0 Medium EPSS 3.7% · top 10.7% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
3.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=oss-security&m=128151768510564&w=2
http://marc.info/?l=oss-security&m=128152412221677&w=2
http://www.ubuntu.com/usn/USN-1642-1
http://www.vupen.com/english/advisories/2010/2042 Vendor Advisory
https://bugs.launchpad.net/ubuntu/+source/lynx-cur/+bug/613254
https://exchange.xforce.ibmcloud.com/vulnerabilities/61007
http://marc.info/?l=oss-security&m=128151768510564&w=2
http://marc.info/?l=oss-security&m=128152412221677&w=2
http://www.ubuntu.com/usn/USN-1642-1
http://www.vupen.com/english/advisories/2010/2042 Vendor Advisory
https://bugs.launchpad.net/ubuntu/+source/lynx-cur/+bug/613254
https://exchange.xforce.ibmcloud.com/vulnerabilities/61007

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-2810), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.