CVE-2016-1960 Integer overflow in n/a

What is CVE-2016-1960?

CVE-2016-1960 is a high-severity vulnerability in Mozilla Firefox, published on 13 Mar 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Which versions are affected by CVE-2016-1960?

It affects 6 products.

Products include Mozilla Firefox, Mozilla Thunderbird, Opensuse Leap, Opensuse Opensuse, Oracle Linux, Suse Linux Enterprise.

How do I fix CVE-2016-1960?

Upgrade to a fixed version.

Is CVE-2016-1960 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-1960 exists.

Public exploit code: 2 Exploit-DB entries.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-1960, GHSA-hhgc-88w2-v4mx, UBUNTU-CVE-2016-1960.