CVE-2015-8873

Publication date 16 May 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Stack consumption vulnerability in Zend/zend_exceptions.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allows remote attackers to cause a denial of service (segmentation fault) via recursive method calls.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	16.04 LTS xenial	Not in release
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Fixed 5.5.9+dfsg-1ubuntu4.19
	12.04 LTS precise	Fixed 5.3.10-1ubuntu3.24

Notes

sbeattie

recursion through unserializing exceptions

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
php5	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=4d2278143a08b7522de9471d0f014d7357c28fea Upstream: http://git.php.net/?p=php-src.git;a=commit;h=f1acac154ac7684bc908fc2ad8962372c9d4e312 Upstream: http://git.php.net/?p=php-src.git;a=commit;h=0a21b5d97039945a9e5dc683f2f5e8b379f07ada Upstream: http://git.php.net/?p=php-src.git;a=commit;h=da5321013c4dbac0faac12f78b28f662a91b4bc1

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3045-1
PHP vulnerabilities
2 August 2016