TI-2011-02989 Aliases CVE-2011-3379 GHSA-q529-v4w8-p73p

The is_a function in PHP 5.3.7 and 5.3.8 triggers a call to the __autoload function…

MEDIUM 41CWE-94Published 2011-11-03 · Updated 2024-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

The is_a function in PHP 5.3.7 and 5.3.8 triggers a call to the __autoload function, which makes it easier for remote attackers to execute arbitrary code by providing a crafted URL and leveraging potentially unsafe behavior in certain PEAR packages and custom autoloaders.

Why it matters now

EPSS 0.0501 92nd percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

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 · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:php:php:5.3.7:::::::*	5.3.7	Vulnerable	PHP
cpe:2.3:a:php:php:5.3.8:::::::*	5.3.8	Vulnerable	PHP

cpe:2.3:a:php:php:5.3.7:*:*:*:*:*:*:* Versions 5.3.7 Vulnerable ·PHP
cpe:2.3:a:php:php:5.3.8:*:*:*:*:*:*:* Versions 5.3.8 Vulnerable ·PHP

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

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-2011-3379
2026-10-03 Alias added: GHSA-q529-v4w8-p73p

References

Exploit 2

Patch 2

Advisory 2

TI-2024-04260 Argument Injection in PHP-CGI KEVCVSS 3.1CRITICAL 9.8
TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
TI-2012-01607 sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI… KEVCVSS 3.1CRITICAL 9.8
TI-2026-78794 PHP remote code execution via stale global state KEVCVSS 4.0CRITICAL 9.2
TI-2026-78793 Out-of-memory handling flaw in PHP allows remote code execution KEVCVSS 4.0CRITICAL 9.2
TI-2015-00205 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and… CVSS 2.0HIGH 10.0

See all 739 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences