CVE-2011-1471 describes an integer signedness error in the Zip extension of PHP versions prior to 5.3.6. This flaw allows an unauthenticated attacker to cause a denial of service (CPU consumption) by providing a specially crafted archive file that triggers errors in the zip_fread function. The vulnerability has a CVSS score of 4.3 (medium severity), indicating network accessibility, medium attack complexity, and a partial impact on availability. While not actively exploited in the wild or on the CISA KEV catalog, a proof-of-concept exploit (EDB-35485) exists, and there is minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.2.11CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
>= 5.3.0, < 5.3.6CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.