CVE-2012-4207: canonical ubuntu_linux Cross-site Scripting
Vulnerability summary
CVE-2012-4207 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in canonical ubuntu_linux. EPSS estimates a 2.78% chance of exploitation in the next 30 days, higher than 86.1% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 8 · Related 3Timeline
- 21-11-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.78%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.78% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.mozilla.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Mozilla4 products
- firefox< 17.0 | ≥ 10.0, < 10.0.11
- seamonkey< 2.14
- thunderbird< 17.0
- thunderbird_esr≥ 10.0, < 10.0.11
Redhat4 products
- enterprise_linux_desktop5.0 | 6.0
- enterprise_linux_eus6.3
- enterprise_linux_server5.0 | 6.0
- enterprise_linux_workstation5.0 | 6.0
Suse3 products
- linux_enterprise_desktop10:sp4 | 11:sp2
- linux_enterprise_server10:sp4 | 11:sp2
- linux_enterprise_software_development_kit10:sp4 | 11:sp2
Canonical1 product
- ubuntu_linuxEOL10.04 | 11.10 | 12.04 | 12.10
Debian1 product
- debian_linuxEOL6.0 | 7.0
Opensuse1 product
- opensuseEOL11.4 | 12.1 | 12.2
6 vendors · 14 products
References
30 links- lists.opensuse.org/opensuse-updates/2012-11/msg00093.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
Show all 30 references
- lists.opensuse.org/opensuse-updates/2012-11/msg00090.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2012:173Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
- lists.opensuse.org/opensuse-updates/2012-11/msg00092.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- bugzilla.mozilla.org/show_bug.cgi?id=801681X Refsource CONFIRMExploitIssue TrackingPatchVendor Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16955VDB EntrySignatureX Refsource OVALThird Party Advisory