CVE-2014-1578
Mozilla: Out-of-bounds write with WebM video (MFSA 2014-77)
Severity
CriticalRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · October 14, 2014
Updated · June 27, 2026
Description
The get_tile function in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly execute arbitrary code via WebM frames with invalid tile sizes that are improperly handled in buffering operations during video playback.
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-787 · Out-of-bounds Write