Out-of-bounds Read Affecting squid:4/squid package, versions <7:4.15-3.module_el8.6.0+2741+01592ae8


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
2.07% (89th percentile)

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  • Snyk IDSNYK-ALMALINUX8-SQUID-5632778
  • published28 May 2023
  • disclosed10 May 2022

Introduced: 10 May 2022

CVE-2021-28116  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 squid:4/squid to version 7:4.15-3.module_el8.6.0+2741+01592ae8 or higher.
This issue was patched in ALSA-2022:1939.

NVD Description

Note: Versions mentioned in the description apply only to the upstream squid:4/squid package and not the squid:4/squid package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1