CVE-2016-1939 Information disclosure in n/a

What is CVE-2016-1939?

CVE-2016-1939 is a medium-severity vulnerability in Mozilla Firefox, published on 31 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Mozilla Firefox before 44.0 stores cookies with names containing vertical tab characters, which allows remote attackers to obtain sensitive information by reading HTTP Cookie headers. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-7208.

Weakness: CWE-200

Which versions are affected by CVE-2016-1939?

It affects 3 products.

Products include Mozilla Firefox, Opensuse Leap, Opensuse Opensuse.

How do I fix CVE-2016-1939?

Upgrade to a fixed version.

Is CVE-2016-1939 being exploited?

There is no known exploitation of CVE-2016-1939 in the wild and no public exploit code.

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 GHSA-r5m5-v5v5-wq3f, UBUNTU-CVE-2016-1939.