Buffer overflow in Php

CVE-2015-8878

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.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (66.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Php
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2015-8878?
CVE-2015-8878 is a medium-severity vulnerability in Php, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.9/10. Published 2016-05-22.
How severe is CVE-2015-8878?
Medium severity. CVSS v3 base score is 5.9 out of 10.