Use After Free in PHP
CVE-2016-9138
PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.039 (89.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
- PHP — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
References
- bugs.php.net/bug.php (Vendor Advisory)
- www.openwall.com/lists/oss-security/2016/11/01/2 (mailing-list, Third Party Advisory)
- www.securityfocus.com/bid/95268 (vdb-entry)
Frequently asked questions
- What is CVE-2016-9138?
- CVE-2016-9138 is a critical-severity vulnerability in PHP, classified under Use After Free. CVSS score: 9.8/10. Published 2017-01-04.
- How severe is CVE-2016-9138?
- Critical severity. CVSS v3 base score is 9.8 out of 10.