DEBIAN-CVE-2016-2821

Advisory lineage Upstream: 1 Downstream: 2
Upstream
Published: 13 Jun 2016, 10:59
Last modified:28 Apr 2026, 20:15

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Jun 2016, 10:59
Published
Vulnerability first disclosed
28 Apr 2026, 20:15
Last Modified
Vulnerability information updated

Description

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.

CVSS Metrics

  • v3.0HIGHScore: 7.5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • debianfirefox-esr

    < 45.2.0esr-1 | < 45.2.0esr-1 | < 45.2.0esr-1 | < 45.2.0esr-1

References (1)