What’s Vulnerable › Vulnerabilities

CVE-2013-1726

• Severity: medium (CVSS 6.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-09-18 · updated 2026-06-16
• Weakness: CWE-264

Description

Mozilla Updater in Mozilla Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbird ESR 17.x before 17.0.9, and SeaMonkey before 2.21 does not ensure exclusive access to a MAR file, which allows local users to gain privileges by creating a Trojan horse file after MAR signature verification but before MAR use.

Affected products

• Mozilla Firefox: through 23.0.1; 19.0, 19.0.1, 19.0.2, 20.0, 20.0.1, 21.0 (+11)
• Mozilla Seamonkey: through 2.20; 2.0, 2.0-alpha_1, 2.0-alpha_2, 2.0-alpha_3, 2.0-beta_1, 2.0-beta_2 (+93)
• Mozilla Thunderbird: through 17.0.9; 17.0, 17.0.1, 17.0.2, 17.0.3, 17.0.4, 17.0.5 (+3)
• Mozilla Thunderbird ESR: 17.0, 17.0.1, 17.0.2, 17.0.3, 17.0.4, 17.0.5 (+3)

References

• http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115907.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-September/116610.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-September/117526.html
• http://www.mozilla.org/security/announce/2013/mfsa2013-83.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=890853
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18821
• http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115907.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-September/116610.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-September/117526.html
• http://www.mozilla.org/security/announce/2013/mfsa2013-83.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=890853
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18821

Get alerted when CVE-2013-1726 or the next vulnerability affects your stack