Mozilla: >> Firefox >> 50.1.0 Security Vulnerabilities
Memory safety bugs were reported in Firefox 50.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 51.
CVSS Score
9.8
EPSS Score
0.019
Published
2018-06-11
JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
CVSS Score
9.8
EPSS Score
0.617
Published
2018-06-11
Use-after-free while manipulating XSL in XSLT documents. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
CVSS Score
9.8
EPSS Score
0.02
Published
2018-06-11
A memory corruption vulnerability in Skia that can occur when using transforms to make gradients, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 51.
CVSS Score
9.8
EPSS Score
0.019
Published
2018-06-11
Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object's address can be discovered through hash codes, and also allows for data leakage of an object's content using these hash codes. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
CVSS Score
7.5
EPSS Score
0.018
Published
2018-06-11
Use-after-free vulnerability in Web Animations when interacting with cycle collection found through fuzzing. This vulnerability affects Firefox < 51.
CVSS Score
7.5
EPSS Score
0.018
Published
2018-06-11
Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.
CVSS Score
7.5
EPSS Score
0.008
Published
2017-03-15
The HTTP/2 protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in which third-party cookies are sent, aka a "HEIST" attack.
CVSS Score
5.3
EPSS Score
0.023
Published
2016-09-06
The HTTPS protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in which third-party cookies are sent, aka a "HEIST" attack.
CVSS Score
5.3
EPSS Score
0.023
Published
2016-09-06
Cross-site scripting (XSS) vulnerability in clickstream.js in Y! Toolbar plugin for FireFox 3.1.0.20130813024103 for Mac, and 2.5.9.2013418100420 for Windows, allows remote attackers to inject arbitrary web script or HTML via a crafted URL that is stored by the victim.
CVSS Score
4.3
EPSS Score
0.003
Published
2014-01-26