SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-7221

Buffer overflow in the nsDeque::GrowCapacity function in xpcom/glue/nsDeque.cpp in Mozilla Firefox before 43.0 might allow remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a deque size change.

HIGH 10.0EPSS 4.51%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Buffer overflow in the nsDeque::GrowCapacity function in xpcom/glue/nsDeque.cpp in Mozilla Firefox before 43.0 might allow remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a deque size change.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
4.51% probability · 91th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
mozilla/firefox · fedoraproject/fedora · opensuse/leap · opensuse/opensuse
Source
security@mozilla.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.