VDB
CVE-2026-28780
CVE-2026-28780
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Apache HTTP Server: buffer overflow in mod_proxy_ajp via ajp_msg_check_header()
EPSS 1.38% · 69.7th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
1.38%
69.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| apache | http_server | |
| Apache Software Foundation | Apache HTTP Server | |
| Apache Software Foundation | http_server | |
| Bitnami | apache | 0, 0, 0 |
Timeline
- May 4, 2026 CVE Published
- May 5, 2026 PoC Published
- May 5, 2026 PoC Published
- May 5, 2026 PoC Published
- May 6, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
References
- http://www.openwall.com/lists/oss-security/2026/05/05/9 url
- https://httpd.apache.org/security/vulnerabilities_24.html url
- https://access.redhat.com/errata/RHSA-2026:27201 advisory
- https://access.redhat.com/errata/RHSA-2026:21433 advisory
- https://access.redhat.com/errata/RHSA-2026:27200 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-28780 url
- https://access.redhat.com/errata/RHSA-2026:21391 advisory
- https://access.redhat.com/errata/RHSA-2026:47046 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2466913 url
- https://access.redhat.com/errata/RHSA-2026:22140 advisory
- https://access.redhat.com/security/cve/CVE-2026-28780 advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28780.json advisory
- https://access.redhat.com/errata/RHSA-2026:36373 advisory
- https://access.redhat.com/errata/RHSA-2026:36831 advisory
- https://access.redhat.com/errata/RHSA-2026:36846 advisory