CVE-2010-3872

Httpd: mod_fcgid: stack-based buffer overflow in fcgid_header_bucket_read() in modules/fcgid/fcgid_bucket.c

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

2.77%Down 0.3 points since Feb 4, 2022

What each source reports

CVE List Score used 7.5

Httpd: mod_fcgid: stack-based buffer overflow in fcgid_header_bucket_read() in modules/fcgid/fcgid_bucket.c

Record: CVE-2010-3872
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-121
Updated: 2026-11-02

EUVDEUVD-2010-3850 7.5

Record: EUVD-2010-3850
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-ff73-846q-p888 7.5

The fcgid_header_bucket_read function in fcgid_bucket.c in the mod_fcgid module before 2.3.6 for...

The fcgid_header_bucket_read function in fcgid_bucket.c in the mod_fcgid module before 2.3.6 for the Apache HTTP Server does not use bytewise pointer arithmetic in certain circumstances, which has unspecified impact and attack vectors related to "untrusted FastCGI applications" and a "stack buffer overwrite."

Record: GHSA-ff73-846q-p888
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-121
Updated: 2026-11-02

NVD 7.5

Record: CVE-2010-3872
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-121, CWE-189
Updated: 2026-11-02

OSVDEBIAN-CVE-2010-3872 7.5

Record: DEBIAN-CVE-2010-3872
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV No score

Record: CVE-2010-3872
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10564-1 No score

apache2-mod_fcgid-2.3.9-7.3 on GA media

These are all security issues fixed in the apache2-mod_fcgid-2.3.9-7.3 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10564-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`libapache2-mod-fcgid` Debian:12	before 1:2.3.6-1	1:2.3.6-1
`libapache2-mod-fcgid` Debian:13	before 1:2.3.6-1	1:2.3.6-1
`libapache2-mod-fcgid` Debian:14	before 1:2.3.6-1	1:2.3.6-1
`libapache2-mod-fcgid` Debian:5.0	before 1:2.2-1+lenny1, plus listed versions 1:2.2-1	1:2.2-1+lenny1
`apache2-mod_fcgid` openSUSE:Tumbleweed From an advisory covering 3 CVEs	before 2.3.9-7.3	2.3.9-7.3

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-3872 is a high vulnerability (CVSS 7.5) in Apache Mod Fcgid, published November 20, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.77%, the 86th percentile. Fixed in libapache2-mod-fcgid 1:2.3.6-1.

References

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