Medium severity · published May 22, 2016
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…
5.9
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
5.5.0 before 5.5.28; 5.6.0 before 5.6.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8878
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8878
Vendor Advisory
http://www.php.net/ChangeLog-5.php
Issue Tracking
https://bugs.php.net/bug.php?id=70002
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