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CVE-2012-3526
The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of…
Medium5.0EPSS 7.0%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of service (server or application crash) via multiple X-Forwarded-For headers in a request.
Timeline
ID reserved
By redhat
- 3 months later
· 3 months later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 7.0% · top 5.8% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (8)
- [oss-security] 20120822 CVE Request: Apache mod RPAF denial of service (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683984 (opens in a new tab)x_refsource_MISCx_transferred
- http://zecrazytux.net/troubleshooting/apache2-segfault-debugging-tutorial (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20120822 Re: CVE Request: Apache mod RPAF denial of service (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 55154 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- modrpaf-apache-dos(77987) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 50400 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2532 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-3526)Record last updated .