SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-5600

Use-after-free vulnerability in the nsIOService::NewChannelFromURIWithProxyFlags function in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1, Thunderbird ESR 17.x before 17.0.10, and SeaMonkey…

HIGH 10.0EPSS 5.35%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.35%). 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 nsIOService::NewChannelFromURIWithProxyFlags function in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1, Thunderbird ESR 17.x before 17.0.10, and SeaMonkey before 2.22 allows remote attackers to execute arbitrary code via vectors involving a blob: URL.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
5.35% probability · 92th percentile
CISA KEV
Not listed
Affected
mozilla/firefox · mozilla/thunderbird · mozilla/thunderbird esr · mozilla/seamonkey
Source
security@mozilla.org

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