VDB
CVE-2015-2787
CVE-2015-2787
PUBLISHED
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.
EPSS 26.40% · 96.4th percentile
Risk Scores
EPSS Score
26.40%
96.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | php5 | 0, 5.5.3+dfsg-1ubuntu3, 5.5.6+dfsg-1ubuntu1 |
Exploit Intelligence
- Use After Free Vulnerability in unserialize() (hackerone)
- Use After Free Vulnerability in unserialize() (hackerone)
- https://bugs.php.net/bug.php?id=68976 (vulncheck-nvd)
Timeline
- Mar 17, 2015 PoC Published
- Mar 30, 2015 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 6, 2024 EPSS Score
- Mar 17, 2025 EPSS Score
- Mar 29, 2025 EPSS Score
- Apr 17, 2025 EPSS Score
- May 1, 2025 EPSS Score
- May 4, 2025 EPSS Score
- Jun 1, 2025 EPSS Score
- Jun 4, 2025 EPSS Score
- Jul 1, 2025 EPSS Score
References
- https://ubuntu.com/security/CVE-2015-2787 third-party-advisory
- https://gist.github.com/smalyshev/eea9eafc7c88a4a6d10d third-party-advisory
- http://php.net/ChangeLog-5.php third-party-advisory
- https://ubuntu.com/security/notices/USN-2572-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2015-2787 third-party-advisory