SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-5404

A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it.

CRITICAL 9.8EPSS 17.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 17.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
17.27% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
debian/debian linux · redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux workstation · mozilla/thunderbird · mozilla/firefox
Source
security@mozilla.org

References

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