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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2178-1 pango1.0 security update
EUVD EUVD EUVD-2011-0090 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.
Ubuntu USN Ubuntu USN USN-1082-1 Pango vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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 : Deferred

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

Modified: 2025-04-11T00:51:21.963

Link: CVE-2011-0064

cve-icon Redhat

Severity : Critical

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

Links: CVE-2011-0064 - Bugzilla

cve-icon OpenCVE Enrichment

No data.