CVE-2026-58868

CRITICAL 1 PoC
INFO Priority: 0.02 BB Relevance: 90/100
Published: 2026-11-02 Modified: 2026-11-05 First seen: 2026-11-02 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

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.

Weakness Classification (1)

Affected Software (15)

Proof of Concept (1)

Bug Bounty Relevance

90 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction
✓ PoC available (1)

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.21%
Raw Score 0.002110
Percentile 11.4%
Date 2026-11-05

EPSS Trend

2026-11-05
0.00211
2026-11-04
0.00211
2026-11-03
0.00211

Intelligence Sources

mitre ref →
nvd ref →