Buffer Overflow Affecting jbcs-httpd24-mod_http2 package, versions <0:2.0.29-13.el8jbcs


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.16% (67th percentile)

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  • Snyk IDSNYK-RHEL8-JBCSHTTPD24MODHTTP2-19352324
  • published27 Aug 2026
  • disclosed8 Jun 2026

Introduced: 8 Jun 2026

CVE-2026-34355  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade RHEL:8 jbcs-httpd24-mod_http2 to version 0:2.0.29-13.el8jbcs or higher.
This issue was patched in RHSA-2026:56868.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jbcs-httpd24-mod_http2 package and not the jbcs-httpd24-mod_http2 package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

CVSS Base Scores

version 3.1