VDB
RHSA-2026:53537
RHSA-2026:53537
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in the mod_md module of httpd. When processing OCSP (Online Certificate Status Protocol) responses from a malicious or compromised OCSP responder, the module fails to enforce proper size limits on the incoming data. This issue leads to memory exhaustion and a denial of service.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | httpd-devel-0:2.4.68-6.hum1@x86_64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | mod_session-0:2.4.68-6.hum1@aarch64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-devel-0:2.4.68-6.hum1@aarch64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | mod_ldap-0:2.4.68-6.hum1@aarch64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-tools-0:2.4.68-6.hum1@aarch64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-core-0:2.4.68-6.hum1@x86_64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | mod_ldap-0:2.4.68-6.hum1@x86_64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | mod_ssl-1:2.4.68-6.hum1@aarch64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-core-0:2.4.68-6.hum1@aarch64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | mod_lua-0:2.4.68-6.hum1@x86_64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | mod_proxy_html-1:2.4.68-6.hum1@aarch64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-0:2.4.68-6.hum1@aarch64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | mod_session-0:2.4.68-6.hum1@x86_64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-manual-0:2.4.68-6.hum1@noarch@public-hummingbird-aarch64-rpms as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | mod_proxy_html-1:2.4.68-6.hum1@x86_64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-filesystem-0:2.4.68-6.hum1@noarch@public-hummingbird-x86_64-rpms as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-0:2.4.68-6.hum1@x86_64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-tools-0:2.4.68-6.hum1@x86_64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | httpd-0:2.4.68-6.hum1@src as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
| Red Hat | mod_lua-0:2.4.68-6.hum1@aarch64 as a component of Red Hat Hardened Images | 2.4.68-6.hum1 |
…and 3 more
Timeline
- Aug 11, 2026 CVE Published
- Oct 22, 2026 CVE Updated
- Oct 22, 2026 Distribution Patch
- Oct 22, 2026 Distribution Patch
- Oct 22, 2026 Security Advisory
- Oct 22, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2026:53537 advisory
- https://images.redhat.com/ advisory
- https://access.redhat.com/security/cve/CVE-2026-29168 advisory
- https://access.redhat.com/security/updates/classification/ advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_53537.json advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2466753 issue
- https://www.cve.org/CVERecord?id=CVE-2026-29168 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-29168 advisory
- https://httpd.apache.org/security/vulnerabilities_24.html advisory