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CVE-2007-1383

42
FAUCET Score

CVE-2007-1383 describes a critical integer overflow vulnerability in PHP 4, specifically affecting the 16-bit variable reference counter. This flaw allows remote attackers to execute arbitrary code by causing a variable to be destroyed twice, a condition similar to CVE-2007-1286. With a CVSS score of 9.8 (CRITICAL) and a FAUCET Risk Score of 94/100, this vulnerability presents a significant risk due to its network-based attack vector, low attack complexity, and high potential for impact on confidentiality, integrity, and availability. While not listed on the KEV catalog or Hot List, a Proof-of-Concept exploit is available on ExploitDB, though there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
15.20%
Probability of exploitation in next 30 days
EPSS Percentile
96.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-3394 · Mar 1, 2007
This CVE's current EPSS score of 0.1520 is in the 92nd percentile among its peer group of 36,862 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2007-1383

php variable counter integer overflow

References

secunia.com / advisories/24606
secunia.com / advisories/25056
security.gentoo.org / glsa/glsa-200703-21.xml
novell.com / linux/security/advisories/2007_32_php.html
osvdb.org / 32770
php-security.org / MOPB/MOPB-01-2007.html
Exploit
securityfocus.com / bid/22765