VDB
CVE-2016-4538
CVE-2016-4538
PUBLISHED
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 6.48% · 91.2th percentile
Risk Scores
EPSS Score
6.48%
91.2th 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 20, 2022 EPSS Score
- Jul 12, 2022 EPSS Score
- Oct 26, 2022 EPSS Score
- Dec 17, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 12, 2023 EPSS Score
- May 24, 2023 EPSS Score
- Jul 15, 2023 EPSS Score
- Oct 28, 2023 EPSS Score
- Dec 20, 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