Unscored severity · published Nov 21, 2012
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 before 10.0.11, and…
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CVSS
2.8%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 17.0; 10.0 before 10.0.11 · source: NVD
DL
Debian Linux · Debian
6.0; 7.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
5.0; 6.0 · source: NVD
EL
EL
Enterprise Linux Server · Redhat
5.0; 6.0 · source: NVD
LE
LE
Linux Enterprise Server · Suse
10; 11; 11 · source: NVD
OP
Opensuse · Opensuse
11.4; 12.1; 12.2 · source: NVD
SE
Seamonkey · Mozilla
before 2.14 · source: NVD
TH
Thunderbird · Mozilla
before 17.0 · source: NVD