| Name | CVE-2012-4527 | 
| Description | Stack-based buffer overflow in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long file name.  NOTE: it is not clear whether this is a vulnerability. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| Debian Bugs | 690924 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| mcrypt (PTS) | bullseye | 2.6.8-4 | fixed | 
|  | bookworm | 2.6.8-6 | fixed | 
|  | trixie | 2.6.8-8 | fixed | 
|  | forky, sid | 2.6.8-9 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| mcrypt | source | (unstable) | 2.6.8-1.3 | unimportant |  | 690924 | 
Notes
patch proposed by submitter at RH bugzilla is incorrect
Only occurs in cmdline parsing, no priv escalation. Only a security issue in constructed setups