CVE-2021-28651
moderate-risk
Published 2021-05-27
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.
Do I need to act?
~
6.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (6)
Affected Vendors
References (18)
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/14
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210716-0007/
Third Party Advisory
https://www.debian.org/security/2021/dsa-4924
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/14
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210716-0007/
Third Party Advisory
https://www.debian.org/security/2021/dsa-4924
48
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
9/34 · Low
Exposure
13/34 · Low