The mb_strcut function in Libmbfl 1.1.0, as used in PHP 5.3.x through 5.3.3, allows…
Priority LOW 37CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The mb_strcut function in Libmbfl 1.1.0, as used in PHP 5.3.x through 5.3.3, allows context-dependent attackers to obtain potentially sensitive information via a large value of the third parameter (aka the length parameter).
Why it matters now
EPSS 0.12786 96th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Red Hat: 1 advisory
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:* | 5.3.0 | Running on | PHP |
| cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:* | 5.3.1 | Running on | PHP |
| cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:* | 5.3.2 | Running on | PHP |
| cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:* | 5.3.3 | Running on | PHP |
| cpe:2.3:a:scottmac:libmbfl:1.1.0:*:*:*:*:*:*:* | 1.1.0 | Vulnerable | Scottmac |
- cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:* Versions 5.3.0 Running on ·PHP
- cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:* Versions 5.3.1 Running on ·PHP
- cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:* Versions 5.3.2 Running on ·PHP
- cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:* Versions 5.3.3 Running on ·PHP
- cpe:2.3:a:scottmac:libmbfl:1.1.0:*:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·Scottmac
Remediation
Red Hat 1 advisory
- RHSA-2011:0196 Released 2011-02-03 · Red Hat rating Moderatephp53 security update
- Red Hat Enterprise Linux (v. 5.6.z server) php53-5.3.3-1.el5_6.1, php53-5.3.3-1.el5_6.1.i386, php53-5.3.3-1.el5_6.1.ia64 +47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5.6.z server) | Fixed | RHSA-2011:0196 |
Not affected: 3 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2010-4156
- 2026-10-03 Alias added: GHSA-9mqx-xjgw-xp5v
References
Exploit 2
Sources
- CVE-2010-4156 · CVE Program
- CVE-2010-4156 · NVD
- FIRST EPSS
- GHSA-9mqx-xjgw-xp5v · GitHub Advisory Database · CC BY 4.0
- CVE-2010-4156 · 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