CVE-2014-1581
Mozilla: Use-after-free interacting with text directionality (MFSA 2014-79)
Severity
CriticalRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · October 14, 2014
Updated · June 27, 2026
Description
Use-after-free vulnerability in DirectionalityUtils.cpp in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers to execute arbitrary code via text that is improperly handled during the interaction between directionality resolution and layout.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE-416 · Use After Free