{"id":"DEBIAN-CVE-2011-0064","details":"The hb_buffer_ensure function in hb-buffer.c in HarfBuzz, as used in Pango 1.28.3, Firefox, and other products, does not verify that memory reallocations succeed, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via crafted OpenType font data that triggers use of an incorrect index.","modified":"2026-09-14T06:47:33.620225507Z","published":"2011-03-07T21:00:01.330Z","upstream":["CVE-2011-0064"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2011-0064"}],"affected":[{"package":{"name":"pango1.0","ecosystem":"Debian:12","purl":"pkg:deb/debian/pango1.0?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.28.3-2~sid1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-0064.json"}},{"package":{"name":"pango1.0","ecosystem":"Debian:13","purl":"pkg:deb/debian/pango1.0?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.28.3-2~sid1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-0064.json"}},{"package":{"name":"pango1.0","ecosystem":"Debian:14","purl":"pkg:deb/debian/pango1.0?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.28.3-2~sid1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-0064.json"}}],"schema_version":"1.9.0"}