CVE-2021-45949: artifex ghostscript Out-of-bounds Write

Vulnerability summary

CVE-2021-45949 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in artifex ghostscript. EPSS estimates a 1.62% chance of exploitation in the next 30 days, higher than 75.7% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 31-12-2021
   PublishedVulnerability first disclosed.
2. 08-10-2026
   Last modifiedVulnerability information updated.

Description

Ghostscript GhostPDL 9.50 through 9.54.0 has a heap-based buffer overflow in sampled_data_finish (called from sampled_data_continue and interp).

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
• 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().