CVE-2021-3770: fedoraproject fedora Heap-based Buffer Overflow

Vulnerability summary

CVE-2021-3770 is a high (CVSS 8.6) Heap-based Buffer Overflow vulnerability in fedoraproject fedora. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.5% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 06-09-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

vim is vulnerable to Heap-based Buffer Overflow

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.