Httpd: mod_fcgid: stack-based buffer overflow in fcgid_header_bucket_read() in modules/fcgid/fcgid_bucket.c
Priority LOW 38CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
A flaw was found in the mod_fcgid module of httpd. A malformed FastCGI response may result in a stack-based buffer overflow in the modules/fcgid/fcgid_bucket.c file in the fcgid_header_bucket_read() function, resulting in an application crash.
Why it matters now
EPSS 0.02772 86th percentileScored 2026-11-07
Fix Fixed mod_fcgid: 2.3.6
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | mod_fcgid | — | 2.3.6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | Not affected | CNA |
| Fedora | Fedora | — | — | Not affected | CNA |
- mod_fcgid Vendor— Affected — Fixed in 2.3.6 Patch available CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — Not affected CNA
- Fedora VendorFedora Affected — Fixed in — Not affected CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:mod_fcgid:*:*:*:*:*:*:*:* | up to 2.3.5 | Vulnerable | Apache |
| cpe:2.3:a:apache:mod_fcgid:2.3.1:*:*:*:*:*:*:* | 2.3.1 | Vulnerable | Apache |
| cpe:2.3:a:apache:mod_fcgid:2.3.2:*:*:*:*:*:*:* | 2.3.2 | Vulnerable | Apache |
| cpe:2.3:a:apache:mod_fcgid:2.3.3:*:*:*:*:*:*:* | 2.3.3 | Vulnerable | Apache |
| cpe:2.3:a:apache:mod_fcgid:2.3.4:*:*:*:*:*:*:* | 2.3.4 | Vulnerable | Apache |
- cpe:2.3:a:apache:mod_fcgid:*:*:*:*:*:*:*:* Versions up to 2.3.5 Vulnerable ·Apache
- cpe:2.3:a:apache:mod_fcgid:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·Apache
- cpe:2.3:a:apache:mod_fcgid:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·Apache
- cpe:2.3:a:apache:mod_fcgid:2.3.3:*:*:*:*:*:*:* Versions 2.3.3 Vulnerable ·Apache
- cpe:2.3:a:apache:mod_fcgid:2.3.4:*:*:*:*:*:*:* Versions 2.3.4 Vulnerable ·Apache
Remediation
- Fix · CNA mod_fcgid Fixed in 2.3.6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2010-3872
- 2026-10-03 Alias added: GHSA-ff73-846q-p888
References
Advisory 8
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Sources
- CVE-2010-3872 · CVE Program
- CVE-2010-3872 · NVD
- FIRST EPSS
- GHSA-ff73-846q-p888 · GitHub Advisory Database · CC BY 4.0
- CVE-2010-3872 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences