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CVE-2026-58868

CVSS 3.1
9.8 critical
CISA KEV
Not listed
Technical details
Weakness
CWE-787
EPSS · 05 Nov 2026
0.21% · p11
Public resources
2
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

No VulnCrest analysis published for this CVE yet. Below is the original CNA/NVD description, unmodified.

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.

Exploits & detection

Exploitprobear0001/CVE-2026-58868 · github · ★ 1 · discovered
Unreviewed third-party code. Fake PoCs often contain malware — read the code before running it.
Exploitredfishrouge/CVE-2026-58868-PoC · github · ★ 0 · discovered
Unreviewed third-party code. Fake PoCs often contain malware — read the code before running it.

In the news

Timeline

  • Published: 02 Nov 2026
  • Last modified upstream: 05 Nov 2026

Sources & licenses

CVE / CVSS / CWE
NVD record ↗ (unmodified). This product uses the NVD API but is not endorsed or certified by the NVD. CVE® © The MITRE Corporation.
Exploitation
CISA KEV (CC0) · EPSS by FIRST.org
References used for the analysis
Analysis, summary and remediation
© VulnCrest

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