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Vulnerability record · CVE-2004-1617 · published 18 October 2004

CVE-2004-1617: University of kansas lynx improper input validation vulnerability

UUniversity Of Kansas · Lynx

Lynx, lynx-ssl, and lynx-cur before 2.8.6dev.8 allow remote attackers to cause a denial of service (infinite loop) via a web page or HTML email that contains invalid HTML including (1) a TEXTAREA tag with a large COLS value and (2) a large tag name in an element that is not terminated, as demonstrated by mangleme. NOTE: a followup suggests that the relevant trigger for this issue is the large COLS value.

5.0 CVSS 2.0 Medium EPSS 3.8% · top 10.5% CWE-20 · Improper input validation
5.0CVSS 2.0 base score
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Lynx, lynx-ssl, and lynx-cur before 2.8.6dev.8 allow remote attackers to cause a denial of service (infinite loop) via a web page or HTML email that contains invalid HTML including (1) a TEXTAREA tag with a large COLS value and (2) a large tag name in an element that is not terminated, as demonstrated by mangleme. NOTE: a followup suggests that the relevant trigger for this issue is the large COLS value.

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

Affected products

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

References

LinkTags
http://lcamtuf.coredump.cx/mangleme/gallery/ Vendor Advisory
http://lists.grok.org.uk/pipermail/full-disclosure/2004-October/027709.html Vendor Advisory
http://marc.info/?l=bugtraq&m=109811406620511&w=2
http://secunia.com/advisories/20383 Vendor Advisory
http://securitytracker.com/id?1011809
http://www.debian.org/security/2006/dsa-1076
http://www.debian.org/security/2006/dsa-1077
http://www.debian.org/security/2006/dsa-1085
http://www.securityfocus.com/archive/1/435689/30/4740/threaded
http://www.securityfocus.com/bid/11443 ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17804
http://lcamtuf.coredump.cx/mangleme/gallery/ Vendor Advisory
http://lists.grok.org.uk/pipermail/full-disclosure/2004-October/027709.html Vendor Advisory
http://marc.info/?l=bugtraq&m=109811406620511&w=2
http://secunia.com/advisories/20383 Vendor Advisory
http://securitytracker.com/id?1011809
http://www.debian.org/security/2006/dsa-1076
http://www.debian.org/security/2006/dsa-1077
http://www.debian.org/security/2006/dsa-1085
http://www.securityfocus.com/archive/1/435689/30/4740/threaded
http://www.securityfocus.com/bid/11443 ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17804

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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-2004-1617), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.