CVE-2017-5430: mozilla firefox

Vulnerability summary

CVE-2017-5430 is a critical (CVSS 9.8) vulnerability in mozilla firefox. EPSS estimates a 3.00% chance of exploitation in the next 30 days, higher than 87.1% of scored vulnerabilities.

Timeline

1. 11-06-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

Memory safety bugs were reported in Firefox 52, Firefox ESR 52, and Thunderbird 52. 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 Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.