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.
Published 2011-03-07 21:00:01
Updated 2021-07-14 15:41:30
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute codeDenial of service

Products affected by CVE-2011-0064

Exploit prediction scoring system (EPSS) score for CVE-2011-0064

13.56%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-0064

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST

References for CVE-2011-0064

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