Out-of-bounds Read Affecting httpd package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
6.64% (94th percentile)

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  • Snyk IDSNYK-RHEL10-HTTPD-16721221
  • published17 May 2026
  • disclosed4 Sept 2019

Introduced: 4 Sep 2019

CVE-2019-15903  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 httpd.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd package and not the httpd package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.

References

CVSS Base Scores

version 3.1