TI-2021-19042 Aliases CVE-2021-42917 GHSA-9856-v5xm-mr4c

Buffer overflow vulnerability in Kodi xbmc up to 19.0, allows attackers to cause a denial…

LOW 29CWE-120Published 2021-11-01 · Updated 2024-11-18

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01899 79th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:kodi:kodi::::::::	before 19.0	Vulnerable	Kodi

cpe:2.3:a:kodi:kodi:*:*:*:*:*:*:*:* Versions before 19.0 Vulnerable ·Kodi

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-42917
2026-10-03 Alias added: GHSA-9856-v5xm-mr4c

References

Exploit 1

https://github.com/xbmc/xbmc/issues/20305

Patch 3

Other 1

[debian-lts-announce] 20240123 [SECURITY] [DLA 3712-1] kodi security update

TI-2017-03896 Directory traversal vulnerability in the Chorus2 2.4.2 add-on for Kodi allows remote… CVSS 3.0HIGH 7.5
TI-2018-06373 A Persistent XSS vulnerability exists in Kodi (formerly XBMC) through 17.6 that allows… CVSS 3.0MEDIUM 6.1
TI-2017-05879 Path traversal in XBMC Foundation Kodi CVSS 3.0MEDIUM 5.5
TI-2023-14177 A divide by zero issue discovered in Kodi Home Theater Software 19.5 and earlier allows… CVSS 3.1MEDIUM 5.5
TI-2023-09137 A heap buffer overflow vulnerability in Kodi Home Theater Software up to 19.5 allows… CVSS 3.1MEDIUM 4.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences