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CVE-2016-9137

CRITICAL

Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that is mishandled during __wakeup processing.

Published: Jan 4, 2017 Modified: Jun 17, 2026
CWE-416

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (13)

Vendor Product Version
php php *
php php 7.0.0
php php 7.0.1
php php 7.0.2
php php 7.0.3
php php 7.0.4
php php 7.0.5
php php 7.0.6
php php 7.0.7
php php 7.0.8
php php 7.0.9
php php 7.0.10
php php 7.0.11

GitHub Security Advisory GHSA-cpf6-fjqm-4hx4

Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 5.36%

Top 8% most likely to be exploited

Threat Score 40.8 / 100

Data Sources

NVD EPSS GitHub