Vulnerability-Lookup

rlsa-2022:2129

Vulnerability from osv_rocky

Published

2026-06-28 00:01

Modified

2026-07-12 00:07

Summary

Moderate: lynx security update

Details

Lynx is a text-based Web browser. Lynx does not display any images, but it does support frames, tables, and most other HTML tags.

Security Fix(es):

lynx: Disclosure of HTTP authentication credentials via SNI data (CVE-2021-38165)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.6 Release Notes linked from the References section.

Severity

5.3 (Medium)


                    
                      CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Credits

Rocky Enterprise Software Foundation

Red Hat

References

URL

Type

	https://errata.rockylinux.org/RLSA-2022:2129	ADVISORY
	https://bugzilla.redhat.com/show_bug.cgi?id=1994998	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:8",
        "name": "lynx",
        "purl": "pkg:rpm/rocky-linux/lynx?distro=rocky-linux-8\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "PowerTools"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:2.8.9-4.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "details": "Lynx is a text-based Web browser. Lynx does not display any images, but it does support frames, tables, and most other HTML tags.\n\nSecurity Fix(es):\n\n* lynx: Disclosure of HTTP authentication credentials via SNI data (CVE-2021-38165)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.6 Release Notes linked from the References section.",
  "id": "RLSA-2022:2129",
  "modified": "2026-07-12T00:07:01.382925Z",
  "published": "2026-06-28T00:01:40.098233Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2022:2129"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1994998"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Moderate: lynx security update",
  "upstream": [
    "CVE-2021-38165"
  ]
}

CVE-2021-38165 (GCVE-0-2021-38165)

Vulnerability from cvelistv5 – Published: 2021-08-07 17:33 – Updated: 2024-08-04 01:37

Summary

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.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

13 references

URL	Tags
https://bugs.debian.org/991971	x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/…	x_refsource_MISC
https://lynx.invisible-island.net/current/CHANGES.html	x_refsource_MISC
https://github.com/w3c/libwww/blob/f010b4cc58d32f…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/08/07/9	mailing-listx_refsource_MLIST
https://www.openwall.com/lists/oss-security/2021/…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/0…	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/0…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST
https://www.debian.org/security/2021/dsa-4953	vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:37:16.277Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          },
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            "url": "https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118"
          },
          {
            "name": "[oss-security] 20210807 Re: Bug#991971: [Lynx-dev] bug in Lynx\u0027 SSL certificate validation -\u003e leaks password in clear text via SNI (under some circumstances)",
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              "mailing-list",
              "x_refsource_MLIST",
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            "url": "http://www.openwall.com/lists/oss-security/2021/08/07/9"
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            "url": "https://www.openwall.com/lists/oss-security/2021/08/07/11"
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          {
            "name": "[oss-security] 20210807 Re: Re: Bug#991971: [Lynx-dev] bug in Lynx\u0027 SSL certificate validation -\u003e leaks password in clear text via SNI (under some circumstances)",
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          },
          {
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            "name": "FEDORA-2021-57287bd052",
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        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "version": "n/a"
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            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/08/07/12"
        },
        {
          "name": "[oss-security] 20210807 Re: Re: Bug#991971: [Lynx-dev] bug in Lynx\u0027 SSL certificate validation -\u003e leaks password in clear text via SNI (under some circumstances)",
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          "name": "FEDORA-2021-57287bd052",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

rlsa-2022:2129

Vulnerability from osv_rocky

CVE-2021-38165 (GCVE-0-2021-38165)

Tags

Sightings

Nomenclature