CVE-2021-42917

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-01 · updated 2026-06-17
Weakness: CWE-120

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.

Affected products

Kodi: before 19.0 — fixed in 19.0

How to fix

Upgrade to a fixed version: Kodi 19.0. Check the vendor advisory for mitigations.

References

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

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