CVE-2015-8876 is a critical vulnerability affecting PHP versions before 5.4.44, 5.5.28, and 5.6.12, stemming from improper validation of Exception objects in Zend/zend_exceptions.c. This flaw allows remote attackers to trigger a denial of service (NULL pointer dereference and application crash) or unintended method execution through crafted serialized data. With a CVSS score of 9.8 (Critical), it is easily exploitable over the network with low attack complexity, potentially leading to high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, nor publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.4.0, < 5.4.44CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
>= 5.5.0, < 5.5.28CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
>= 5.6.0, < 5.6.12CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* |
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.