CVE-2010-4657 is a memory leak vulnerability affecting PHP5 versions prior to 5.4.4, specifically when handling invalid UTF-8 strings passed to the xmlTextWriterWriteAttribute function, which are then misparsed by libxml2. This flaw has a CVSS score of 7.5 (High), indicating a network-exploitable vulnerability that can lead to a high impact on confidentiality without requiring user interaction or elevated privileges. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.0.0, < 5.4.4CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.