CVE-2021-28651 Information
Share on:Description
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug it allows a denial of service. When resolving a request with the urn: scheme the parser leaks a small amount of memory. However there is an unspecified attack methodology that can easily trigger a large amount of memory consumption.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Reference
https://bugs.squid-cache.org/show_bug.cgi?id=5104 https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4 https://www.debian.org/security/2021/dsa-4924 https://lists.fedoraproject.org/archives/list/[email protected]/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ https://lists.fedoraproject.org/archives/list/[email protected]/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html https://security.netapp.com/advisory/ntap-20210716-0007/
Attack Complexity
LOW
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
NONE
Availability Impact
NONE
Base Score
HIGH
Base Severity
7.5