VDB
CVE-2016-4538
CVE-2016-4538
PUBLISHED
CVSS 9.800000190734863 CRITICAL
The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
EPSS 6.23% · 93.1th percentile
Risk Scores
CVSS 3.0
9.800000190734863
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
6.23%
93.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | php5 | *, 5.5.9+dfsg-1ubuntu4, 5.5.9+dfsg-1ubuntu4.1 |
| Ubuntu:16.04:LTS | php7.0 | 7.0.2-1, 7.0.2-3, 7.0.2-4 |
Timeline
- May 6, 2016 CVE Published
- Feb 4, 2022 EPSS Score
- May 21, 2022 EPSS Score
- Jul 12, 2022 EPSS Score
- Oct 27, 2022 EPSS Score
- Dec 19, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 12, 2023 EPSS Score
- May 26, 2023 EPSS Score
- Jul 18, 2023 EPSS Score
- Nov 1, 2023 EPSS Score
- Dec 24, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-4538 third-party-advisory
- http://www.openwall.com/lists/oss-security/2016/05/05/21 third-party-advisory
- https://ubuntu.com/security/notices/USN-2984-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2016-4538 third-party-advisory