CVE-2012-4207

The HZ-GB-2312 character-set implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x…

published November 21, 2012

CVSS
—
EPSS
3%
Percentile
86.2
In the wild
Unconfirmed
What it is

The HZ-GB-2312 character-set implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 does not properly handle a ~ (tilde) character in proximity to a chunk delimiter, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02781 · 86.2th percentile
Published
2012-11-21T11:00Z
EPSS history
Timeline
  • 21 NOV 11:00Z
    The HZ-GB-2312 character-set implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x…
    cvelistv5