| Name | CVE-2011-3193 | 
| Description | Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file. | 
| 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) | 
| References | DLA-117-1 | 
| Debian Bugs | 641738 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| pango1.0 (PTS) | bullseye | 1.46.2-3 | fixed | 
|  | bookworm | 1.50.12+ds-1 | fixed | 
|  | trixie | 1.56.3-1 | fixed | 
|  | forky, sid | 1.56.3-2 | fixed | 
The information below is based on the following data on fixed versions.
Notes
affected code in pango1.0 removed earlier, but this is the version checked (lenny is affected)