Detections
Analytics

CVE-2021-38165

medium

Description

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.

References

https://www.openwall.com/lists/oss-security/2021/08/07/1

https://www.debian.org/security/2021/dsa-4953

https://lynx.invisible-island.net/current/CHANGES.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/

https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html

https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118

https://bugs.debian.org/991971

http://www.openwall.com/lists/oss-security/2021/08/07/9

http://www.openwall.com/lists/oss-security/2021/08/07/12

http://www.openwall.com/lists/oss-security/2021/08/07/11

https://www.openwall.com/lists/oss-security/2021/08/07/11

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-24635

Details

Source: Mitre, NVD

Published: 2021-08-07

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.04104