Out-of-Bounds Affecting httpd:2.4/mod_session package, versions <0:2.4.37-39.module+el8.4.0+12865+a7065a39.1


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
68.47% (99th percentile)

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  • Snyk IDSNYK-RHEL8-HTTPD-4081425
  • published26 Jul 2021
  • disclosed4 Jun 2021

Introduced: 4 Jun 2021

CVE-2021-26691  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:8 httpd:2.4/mod_session to version 0:2.4.37-39.module+el8.4.0+12865+a7065a39.1 or higher.
This issue was patched in RHSA-2021:3816.

NVD Description

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

In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow

References

CVSS Scores

version 3.1