CVE-2021-28651
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Squid
PublishedMay 27, 2021
First seenMay 27, 2021
How to fix
Update
- squid-cache squid4.15, 5.0.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| squid-cache squid | 2.0 ≤ v < 4.15, 5.0 ≤ v < 5.0.6 | 4.15, 5.0.6 |
| debian debian_linux | 9.0, 10.0 | — |
| fedoraproject fedora | 33, 34 | — |
| netapp cloud_manager | No range specified | — |
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