CVE-2015-6834 describes multiple use-after-free vulnerabilities in PHP versions prior to 5.4.45, 5.5.29, and 5.6.13. These flaws, related to the Serializable interface, SplObjectStorage, and SplDoublyLinkedList classes during unserialization, allow remote attackers to execute arbitrary code. With a CVSS v3 score of 9.8 (Critical), this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, public exploit code exists for SplDoublyLinkedList and SplObjectStorage use-after-free issues, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.4.44CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
5.5.0CPE matchmatch criteria | cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:* | ||
5.5.1CPE matchmatch criteria | cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:* | ||
5.5.2CPE matchmatch criteria | cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:* | ||
5.5.3CPE matchmatch criteria | cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:* |
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
No social media mentions found for this CVE.
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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.