CVE-2004-1617: university_of_kansas lynx Improper Input Validation
Vulnerability summary
CVE-2004-1617 is a medium (CVSS 5.0) Improper Input Validation vulnerability in university_of_kansas lynx. EPSS estimates a 3.75% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 20-02-2005PublishedVulnerability first disclosed.
- 08-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
3.75%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.75% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (securityfocus.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- lynx< 2.8.4.1b-3.4 | < 2.8.5-2sarge2 | < 2.8.5-2sarge1.2
- lynx-ssl< 1:2.8.4.1b-3.3
University_of_kansas1 product
- lynx2.7 | 2.8 | 2.8.1 | 2.8.2_rel1 | 2.8.3 | 2.8.3_dev22 | 2.8.3_pre5 | 2.8.3_rel1 | 2.8.4 | 2.8.4_rel1 | 2.8.5 | 2.8.5_dev2 | 2.8.5_dev3 | 2.8.5_dev4 | 2.8.5_dev5 | 2.8.5_dev8
2 vendors · 3 products
References
12 links- lists.grok.org.uk/pipermail/full-disclosure/2004-October/027709.htmlMailing ListX Refsource FULLDISCVendor Advisory