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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2011-03-07T20:00:00

Updated: 2024-08-06T21:43:13.993Z

Reserved: 2010-12-21T00:00:00

Link: CVE-2011-0064

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2011-03-07T21:00:01.330

Modified: 2021-07-14T15:41:29.557

Link: CVE-2011-0064

cve-icon Redhat

Severity : Critical

Publid Date: 2011-03-01T00:00:00Z

Links: CVE-2011-0064 - Bugzilla