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CVE-2007-1777

35
FAUCET Score

CVE-2007-1777 describes an integer overflow vulnerability in the zip_read_entry function of PHP 4, specifically versions prior to 4.4.5. This flaw allows remote attackers to execute arbitrary code by crafting a malicious ZIP archive containing an entry with a length value of 0xffffffff, leading to a heap overflow. With a CVSS score of 7.5, this vulnerability is considered highly severe, requiring no authentication and having low attack complexity, potentially leading to partial compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, exploit code for this vulnerability is publicly available on ExploitDB, though there is no indication of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
3.0.3CPE matchmatch criteria
cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
3.0.4CPE matchmatch criteria
cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
15.33%
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-29788 · Mar 27, 2007
This CVE's current EPSS score of 0.1533 is in the 95th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2007-1777

CVE-2007-1777

References

secunia.com / advisories/25025
secunia.com / advisories/25062
exchange.xforce.ibmcloud.com / vulnerabilities/33652
debian.org / security/2007/dsa-1282
debian.org / security/2007/dsa-1283
mandriva.com / security/advisories
php-security.org / MOPB/MOPB-35-2007.html
ExploitVendor Advisory
securityfocus.com / bid/23169
Exploit