SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-0756

Use-after-free vulnerability in the obj_toSource function in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.2, and SeaMonkey before 2.15 allows remote attackers to execute…

HIGH 9.3EPSS 4.20%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Use-after-free vulnerability in the obj_toSource function in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.2, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code via a crafted web page referencing JavaScript Proxy objects that are not properly handled during garbage collection.

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
4.20% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
mozilla/firefox · mozilla/seamonkey · mozilla/thunderbird · mozilla/thunderbird esr · opensuse/opensuse · suse/linux enterprise desktop · suse/linux enterprise server · suse/linux enterprise software development kit · canonical/ubuntu linux
Source
security@mozilla.org

References

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