CVE-2016-4537 is a critical vulnerability affecting the bcpowmod function in PHP versions before 5.5.35, 5.6.21, and 7.0.6, as well as various Fedora and openSUSE distributions. It allows remote attackers to cause a denial of service or potentially other impacts by providing a negative integer for the scale argument. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. While there is no known active exploitation, publicly available exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion with 10 mentions.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.5.34CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
5.6.0CPE matchmatch criteria | cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:* | ||
5.6.1CPE matchmatch criteria | cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:* | ||
5.6.2CPE matchmatch criteria | cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:* | ||
5.6.3CPE matchmatch criteria | cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.