Out-of-bounds Write Affecting httpd:2.4/httpd package, versions <0:2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.44% (75th percentile)

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  • Snyk IDSNYK-ALMALINUX8-HTTPD-5658474
  • published28 May 2023
  • disclosed15 Mar 2022

Introduced: 15 Mar 2022

CVE-2021-39275  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 httpd:2.4/httpd to version 0:2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma or higher.
This issue was patched in ALSA-2022:0891.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd:2.4/httpd package and not the httpd:2.4/httpd package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.

References

CVSS Scores

version 3.1