What’s Vulnerable › Vulnerabilities

CVE-2016-1960

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 30.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-03-13 · updated 2026-06-17

Description

Integer underflow in the nsHtml5TreeBuilder class in the HTML5 string parser in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) by leveraging mishandling of end tags, as demonstrated by incorrect SVG processing, aka ZDI-CAN-3545.

Affected products

• Mozilla Firefox: through 44.0.2; 38.0, 38.0.1, 38.0.5, 38.1.0, 38.1.1, 38.2.0 (+7)
• Mozilla Thunderbird: through 38.6.0
• openSUSE Leap: 42.1
• Opensuse: 13.1, 13.2
• Oracle Corporation Oracle Linux: 5.0, 6, 7
• SUSE Linux Enterprise: 12.0

References

• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00008.html
• http://www.debian.org/security/2016/dsa-3510

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