CVE-2007-1383 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 15.2% (pctl 97)
Patch early
A public exploit exists.
Description
Integer overflow in the 16 bit variable reference counter in PHP 4 allows context-dependent attackers to execute arbitrary code by overflowing this counter, which causes the same variable to be destroyed twice, a related issue to CVE-2007-1286.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 15.2% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-189 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2007-03-10 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| php | php |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | PHP 4 - Userland ZVAL Reference Counter Overflow (PoC) | 2007-03-01 |
References
- http://secunia.com/advisories/24606
- http://secunia.com/advisories/25056
- http://security.gentoo.org/glsa/glsa-200703-21.xml
- http://www.novell.com/linux/security/advisories/2007_32_php.html
- http://www.osvdb.org/32770
- http://www.php-security.org/MOPB/MOPB-01-2007.html
- http://www.securityfocus.com/bid/22765
- http://secunia.com/advisories/24606
- http://secunia.com/advisories/25056
- http://security.gentoo.org/glsa/glsa-200703-21.xml
- http://www.novell.com/linux/security/advisories/2007_32_php.html
- http://www.osvdb.org/32770
- http://www.php-security.org/MOPB/MOPB-01-2007.html
- http://www.securityfocus.com/bid/22765
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