Vulnerability record

CVE-2026-58868

Exploitation: No known exploitation

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations, limit exposure of affected systems, and watch this record for a patch.

Description

In onOutputReceived of FrameDecoder.cpp, there is a possible out-of-bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Intelligence timeline

Developments from the last 30 days, newest first.

No developments recorded for CVE-2026-58868 in the last 30 days.

Coverage

We have not published a story about this vulnerability yet.

References