Vulnerabilities > CVE-2021-28651 - Memory Leak vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- 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.debian.org/debian-lts-announce/2021/06/msg00014.html
- https://security.netapp.com/advisory/ntap-20210716-0007/
- http://www.openwall.com/lists/oss-security/2023/10/11/3
- http://seclists.org/fulldisclosure/2023/Oct/14
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/