OESA-2021-1326 (CVE-2021-38165)
Vulnerability from osv_openeuler – Published: 2021-08-28 11:04 – Updated: 2026-08-06 11:04 – Source website
VLAI
Summary
lynx security update
Details
Lynx is a fully-featured World Wide Web (WWW) client for users running cursor-addressable, character-cell display devices such as vt100 terminals, vt100 emulators running on Windows 95/NT or Macintoshes, or any other character-cell display. It will display Hypertext Markup Language (HTML) documents containing links to files on the local system, as well as files on remote systems running http, gopher, ftp, wais, nntp, finger, or cso/ph/qi servers, and services accessible via logins to telnet, tn3270 or rlogin accounts. Current versions of Lynx run on Unix, VMS, Windows95 through Windows 8, 386DOS and OS/2 EMX.
Security Fix(es):
Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data.(CVE-2021-38165)
Severity
7.5 (High)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"aarch64": [
"lynx-2.8.9-6.oe1.aarch64.rpm",
"lynx-debuginfo-2.8.9-6.oe1.aarch64.rpm",
"lynx-debugsource-2.8.9-6.oe1.aarch64.rpm"
],
"noarch": [
"lynx-help-2.8.9-6.oe1.noarch.rpm"
],
"src": [
"lynx-2.8.9-6.oe1.src.rpm"
],
"x86_64": [
"lynx-debuginfo-2.8.9-6.oe1.x86_64.rpm",
"lynx-2.8.9-6.oe1.x86_64.rpm",
"lynx-debugsource-2.8.9-6.oe1.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:20.03-LTS-SP1",
"name": "lynx",
"purl": "pkg:rpm/openEuler/lynx\u0026distro=openEuler-20.03-LTS-SP1"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.8.9-6.oe1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"ecosystem_specific": {
"aarch64": [
"lynx-2.8.9-6.oe1.aarch64.rpm",
"lynx-debuginfo-2.8.9-6.oe1.aarch64.rpm",
"lynx-debugsource-2.8.9-6.oe1.aarch64.rpm"
],
"noarch": [
"lynx-help-2.8.9-6.oe1.noarch.rpm"
],
"src": [
"lynx-2.8.9-6.oe1.src.rpm"
],
"x86_64": [
"lynx-2.8.9-6.oe1.x86_64.rpm",
"lynx-debugsource-2.8.9-6.oe1.x86_64.rpm",
"lynx-debuginfo-2.8.9-6.oe1.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:20.03-LTS-SP2",
"name": "lynx",
"purl": "pkg:rpm/openEuler/lynx\u0026distro=openEuler-20.03-LTS-SP2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.8.9-6.oe1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "High"
},
"details": "Lynx is a fully-featured World Wide Web (WWW) client for users running cursor-addressable, character-cell display devices such as vt100 terminals, vt100 emulators running on Windows 95/NT or Macintoshes, or any other character-cell display. It will display Hypertext Markup Language (HTML) documents containing links to files on the local system, as well as files on remote systems running http, gopher, ftp, wais, nntp, finger, or cso/ph/qi servers, and services accessible via logins to telnet, tn3270 or rlogin accounts. Current versions of Lynx run on Unix, VMS, Windows95 through Windows 8, 386DOS and OS/2 EMX.\r\n\r\nSecurity Fix(es):\r\n\r\nLynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data.(CVE-2021-38165)",
"id": "OESA-2021-1326",
"modified": "2026-08-06T11:04:34Z",
"published": "2021-08-28T11:04:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1326"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38165"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "lynx security update",
"upstream": [
"CVE-2021-38165"
]
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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- Confirmed: The vulnerability has been validated from an analyst's perspective.
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- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
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