CVE-2013-3735
Last modified
CVE-2013-3735 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The Zend Engine in PHP before 5.4.16 RC1, and 5.5.0 before RC2, does not properly determine whether a parser error occurred, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash) via a crafted function definition, as demonstrated by an attack within a shared web-hosting environment. NOTE: the vendor's http://php.net/security-note.php page says "for critical security situations you should be using OS-level security by running multiple web servers each as their own user id.. EPSS estimates a 2.83% chance of exploitation in the next 30 days.
Description
The Zend Engine in PHP before 5.4.16 RC1, and 5.5.0 before RC2, does not properly determine whether a parser error occurred, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash) via a crafted function definition, as demonstrated by an attack within a shared web-hosting environment. NOTE: the vendor's http://php.net/security-note.php page says "for critical security situations you should be using OS-level security by running multiple web servers each as their own user id.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Php | Php | <= 5.4.15 | Rc1 |
| Php | Php | 5.4.0 | — |
| Php | Php | 5.4.1 | — |
| Php | Php | 5.4.2 | — |
| Php | Php | 5.4.3 | — |
| Php | Php | 5.4.4 | — |
| Php | Php | 5.4.5 | — |
| Php | Php | 5.4.6 | — |
| Php | Php | 5.4.7 | — |
| Php | Php | 5.4.8 | — |
| Php | Php | 5.4.9 | — |
| Php | Php | 5.4.10 | — |
| Php | Php | 5.4.11 | — |
| Php | Php | 5.4.12 | — |
| Php | Php | 5.4.13 | — |
| Php | Php | 5.4.14 | — |
| Php | Php | <= 5.5.0 | Rc1 |
| Php | Php | 5.5.0 | Alpha1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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