CVE-2021-41193

Use of Externally-Controlled Format String in wire-avs

State: Published
Severity: 9.8 Critical
Published: Mar 1, 2022
Updated: Apr 23, 2025
Reserved: Sep 15, 2021

Description

wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-134 Use of Externally-Controlled Format String

Affected Products

Product	Versions
wire-avswireapp	< 7.1.12Affected

References

https://github.com/wireapp/wire-avs/security/advisories/GHSA-2j6v-xpf3-xvrv
https://github.com/wireapp/wire-avs/commit/40d373ede795443ae6f2f756e9fb1f4f4ae90bbe

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