CVE-2015-8878

Name: CVE-2015-8878
Creator: NVD / NIST
Published: 2016-05-22T01:59:10.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.25%

Last modified Jun 17, 2026

CVE-2015-8878 is a vulnerability of currently unknown severity. main/php_open_temporary_file.c in PHP before 5.5.28 and 5.6.x before 5.6.12 does not ensure thread safety, which allows remote attackers to cause a denial of service (race condition and heap memory corruption) by leveraging an application that performs many temporary-file accesses.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

main/php_open_temporary_file.c in PHP before 5.5.28 and 5.6.x before 5.6.12 does not ensure thread safety, which allows remote attackers to cause a denial of service (race condition and heap memory corruption) by leveraging an application that performs many temporary-file accesses.

Metrics

EPSS Probability

1.25%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Php	Php	>= 5.5.0, < 5.5.28
Php	Php	>= 5.6.0, < 5.6.12

References

http://www.php.net/ChangeLog-5.phpVendor Advisory
https://bugs.php.net/bug.php?id=70002Issue Tracking, Vendor Advisory
http://www.php.net/ChangeLog-5.phpVendor Advisory
https://bugs.php.net/bug.php?id=70002Issue Tracking, Vendor Advisory

Timeline

Published: May 22, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8878?

How severe is CVE-2015-8878?

Severity scoring for CVE-2015-8878 is pending analysis. The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8878?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-8878?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST