ALSA-2026:21391

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Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2026:21391
Related
  • CVE-2026-28780
  • CVE-2026-33007
  • CVE-2026-33857
  • CVE-2026-34032
  • CVE-2026-34059
Published
2026-05-27T00:00:00Z
Modified
2026-05-29T13:44:13.859581044Z
Summary
Important: httpd security update
Details

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

Security Fix(es):

  • httpd: modproxyajp: heap-based buffer over-read and memory disclosure in ajpparsedata() (CVE-2026-34059)
  • httpd: modproxyajp: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032)
  • httpd: modproxyajp: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857)
  • httpd: modauthnsocache: NULL pointer dereference can cause a child process crash (CVE-2026-33007)
  • Apache HTTP Server: modproxyajp: Apache HTTP Server modproxyajp: Arbitrary code execution via heap-based buffer overflow (CVE-2026-28780)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

Affected packages

AlmaLinux:9
httpd

Package

Name
httpd
Purl
pkg:rpm/almalinux/httpd

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
httpd-core

Package

Name
httpd-core
Purl
pkg:rpm/almalinux/httpd-core

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
httpd-devel

Package

Name
httpd-devel
Purl
pkg:rpm/almalinux/httpd-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
httpd-filesystem

Package

Name
httpd-filesystem
Purl
pkg:rpm/almalinux/httpd-filesystem

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
httpd-manual

Package

Name
httpd-manual
Purl
pkg:rpm/almalinux/httpd-manual

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
httpd-tools

Package

Name
httpd-tools
Purl
pkg:rpm/almalinux/httpd-tools

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
mod_ldap

Package

Name
mod_ldap
Purl
pkg:rpm/almalinux/mod_ldap

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
mod_lua

Package

Name
mod_lua
Purl
pkg:rpm/almalinux/mod_lua

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
mod_proxy_html

Package

Name
mod_proxy_html
Purl
pkg:rpm/almalinux/mod_proxy_html

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
mod_session

Package

Name
mod_session
Purl
pkg:rpm/almalinux/mod_session

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"
mod_ssl

Package

Name
mod_ssl
Purl
pkg:rpm/almalinux/mod_ssl

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.4.62-13.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:21391.json"