CVE-2021-28116
squid - security update
5.3
MEDIUM
CVSS 3.1
EPSS 10.5%
Description
Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody.
How to fix CVE-2021-28116
To remediate CVE-2021-28116, upgrade the affected package to a fixed version below.
- Alpine/squid—upgrade to 4.17-r0 or later
- —upgrade to 4.13-10+deb11u1 or later
- —upgrade to 4.6-1+deb10u7 or later
Is CVE-2021-28116 being exploited?
Moderate — EPSS is 10.5%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (3)
- from 0, < 4.17-r0
- from 0, < 4.13-10+deb11u1
- from 0, < 4.6-1+deb10u7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |