CVE-2016-9936
9.8
CRITICAL · CVSS 3.0 · EPSS 4.3% (pctl 91)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted serialized data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6834.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.27% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-01-04 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| php | php |
References
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html
- http://www.openwall.com/lists/oss-security/2016/12/12/2
- http://www.php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/94849
- https://access.redhat.com/errata/RHSA-2018:1296
- https://bugs.php.net/bug.php?id=72978
- https://github.com/php/php-src/commit/b2af4e8868726a040234de113436c6e4f6372d17
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html
- http://www.openwall.com/lists/oss-security/2016/12/12/2
- http://www.php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/94849
- https://access.redhat.com/errata/RHSA-2018:1296
- https://bugs.php.net/bug.php?id=72978
- https://github.com/php/php-src/commit/b2af4e8868726a040234de113436c6e4f6372d17
→ the Explorer · watch your stack · NVD