CVE-2026-33857
Apache HTTP Server: Off-by-one OOB reads in AJP getter functions
Summary
Apache HTTP Server: Off-by-one OOB reads in AJP getter functions
Original description
The description as published by the source.
Out-of-bounds Read vulnerability in mod_proxy_ajp of
Apache HTTP Server.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
Affected packages
Bitnami
apache
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.4.67"}]}]
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2026-33857 apache2 Fixed in: 2.4.67-r0
- Debian DEBIAN-CVE-2026-33857 apache2 Fixed in: 2.4.67-1~deb11u1
- Ubuntu UBUNTU-CVE-2026-33857 apache2 Fixed in: 2.4.7-1ubuntu4.22+esm14
References
- advisory openwall.com
- advisory httpd.apache.org
- web nvd.nist.gov