CVE-2011-0421 describes a denial-of-service vulnerability in the Zip extension of PHP versions prior to 5.3.6. Specifically, the _zip_name_locate function can suffer a NULL pointer dereference when processing an empty ZIP archive with locateName or statName operations. This vulnerability has a CVSS score of 4.3 (Medium), indicating it can be exploited remotely with medium attack complexity, resulting in partial availability impact. While not listed in CISA KEV, exploit code for this vulnerability is publicly available via ExploitDB (EDB-17004). Despite this, there is no evidence of active exploitation, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.3.5CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
1.0CPE matchmatch criteria | cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:* | ||
2.0CPE matchmatch criteria | cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:* | ||
2.0b10CPE matchmatch criteria | cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:* |
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.