CVE-2012-0053 Affecting apache2 package, versions <2.2.22-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
82.2% (100th percentile)

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  • Snyk IDSNYK-ECHOLATEST-APACHE2-20385115
  • published2 Oct 2026
  • disclosed28 Jan 2012

Introduced: 28 Jan 2012

CVE-2012-0053  (opens in a new tab)

How to fix?

Upgrade Echo:latest apache2 to version 2.2.22-1 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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

protocol.c in the Apache HTTP Server 2.2.x through 2.2.21 does not properly restrict header information during construction of Bad Request (aka 400) error documents, which allows remote attackers to obtain the values of HTTPOnly cookies via vectors involving a (1) long or (2) malformed header in conjunction with crafted web script.

References

CVSS Base Scores

version 3.1