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CVE-2015-6834

UnknownEPSS 46.80%

Last modified

CVE-2015-6834 is a vulnerability of currently unknown severity. Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.. EPSS estimates a 46.80% chance of exploitation in the next 30 days.

Description

Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.

Metrics

EPSS Probability
46.80%

98.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
PhpPhp<= 5.4.44
PhpPhp5.5.0
PhpPhp5.5.1
PhpPhp5.5.2
PhpPhp5.5.3
PhpPhp5.5.4
PhpPhp5.5.5
PhpPhp5.5.6
PhpPhp5.5.7
PhpPhp5.5.8
PhpPhp5.5.9
PhpPhp5.5.10
PhpPhp5.5.11
PhpPhp5.5.12
PhpPhp5.5.13
PhpPhp5.5.14
PhpPhp5.5.15
PhpPhp5.5.16
PhpPhp5.5.17
PhpPhp5.5.18
PhpPhp5.5.19
PhpPhp5.5.20
PhpPhp5.5.21
PhpPhp5.5.22
PhpPhp5.5.23
PhpPhp5.5.24
PhpPhp5.5.25
PhpPhp5.5.26
PhpPhp5.5.27
PhpPhp5.5.28
PhpPhp5.6.0
PhpPhp5.6.1
PhpPhp5.6.2
PhpPhp5.6.3
PhpPhp5.6.4
PhpPhp5.6.5
PhpPhp5.6.6
PhpPhp5.6.7
PhpPhp5.6.8
PhpPhp5.6.9
PhpPhp5.6.10
PhpPhp5.6.11
PhpPhp5.6.12

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-6834?
Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.
How severe is CVE-2015-6834?
Severity scoring for CVE-2015-6834 is pending analysis. The EPSS model estimates a 46.80% probability of exploitation in the next 30 days.
How do I fix CVE-2015-6834?
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-2015-6834?

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

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Source: NVD / NIST