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Out-of-bounds Write Affecting apache2 package, versions <2.4.38-3+deb10u5

0.0
critical
0
10

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 70.6% (99th percentile)
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NVD
9.8 critical
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SUSE
7.5 high
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Red Hat
8.1 high

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  • Snyk ID SNYK-DEBIAN10-APACHE2-1301212
  • published 9 Jun 2021
  • disclosed 10 Jun 2021
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Introduced: 9 Jun 2021

CVE-2021-26691 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Debian:10 apache2 to version 2.4.38-3+deb10u5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache2 package and not the apache2 package as distributed by Debian. See How to fix? for Debian:10 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