7.5

CVE-2021-28651

Exploit

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.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Squid-cacheSquid Version >= 2.0 < 4.15
Squid-cacheSquid Version >= 5.0 < 5.0.6
DebianDebian Linux Version9.0
DebianDebian Linux Version10.0
FedoraprojectFedora Version33
FedoraprojectFedora Version34
NetappCloud Manager Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 6.32% 0.906
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.