| Name | CVE-2011-4957 |
| Description | The make_clickable function in wp-includes/formatting.php in WordPress before 3.1.1 does not properly check URLs before passing them to the PCRE library, which allows remote attackers to cause a denial of service (crash) via a comment with a crafted URL that triggers many recursive calls. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-2470-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| wordpress (PTS) | bullseye (security), bullseye | 5.7.11+dfsg1-0+deb11u1 | fixed |
| bookworm, bookworm (security) | 6.1.6+dfsg1-0+deb12u1 | fixed | |
| sid, trixie | 6.7.2+dfsg1-1.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| wordpress | source | squeeze | 3.3.2+dfsg-1~squeeze1 | DSA-2470-1 | ||
| wordpress | source | (unstable) | 3.2.1+dfsg-1 |