Linux · Security advisory · June 24, 2026

RHSA-2026:21391: Security update for 11 packages

RHSA-2026:21391, released June 24, 2026, fixes 5 CVEs across 11 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
5
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0138
72nd percentile

Priority of the 5 CVEs

Patch now 0 Urgent 0 High 5 Routine 0

Fixed package versions

ProductReleaseFixed in
httpdRHEL 90:2.4.62-13.el9_8.1
httpd-coreRHEL 90:2.4.62-13.el9_8.1
httpd-develRHEL 90:2.4.62-13.el9_8.1
httpd-filesystemRHEL 90:2.4.62-13.el9_8.1
httpd-manualRHEL 90:2.4.62-13.el9_8.1
httpd-toolsRHEL 90:2.4.62-13.el9_8.1
mod_ldapRHEL 90:2.4.62-13.el9_8.1
mod_luaRHEL 90:2.4.62-13.el9_8.1
mod_proxy_htmlRHEL 91:2.4.62-13.el9_8.1
mod_sessionRHEL 90:2.4.62-13.el9_8.1
mod_sslRHEL 91:2.4.62-13.el9_8.1

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-28780 httpd: Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malic... 9.8 0.0138 None reported
High CVE-2026-33007 Apache HTTP Server: mod_authn_socache crash 8.2 0.0051 None reported
High CVE-2026-34032 Apache HTTP Server: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing Null-Termination Check (ajp_msg_get_string) 8.2 0.0049 None reported
High CVE-2026-34059 Apache HTTP Server: mod_proxy_ajp: Heap Over-Read and memory disclosure in ajp_parse_data() 8.2 0.0039 None reported
High CVE-2026-33857 Apache HTTP Server: Off-by-one OOB reads in AJP getter functions 8.2 0.0039 None reported
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