SEPTEMBER 17, 2026
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Case File

CVE-2026-82820

MEDIUM · CVSS 4.3 EPSS 0.36% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-31 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

FLVMeta versions up to 1.2.2 are vulnerable to a heap-based buffer overflow in the AMF String Processing function, which can be exploited remotely due to improper handling of argument lengths. Although the maintainer questions the exploitability of this vulnerability, it has been publicly disclosed, making it essential for users of affected versions to prioritize applying the provided patch (f412a33b9a84c2d1a9dee145a868feddbf64879e) to mitigate potential risks. Organizations using FLVMeta should assess their exposure and implement the fix to enhance their security posture.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-82820
Severity
MEDIUM
CVSS
4.3
EPSS
0.36%

Original NVD Description

A vulnerability was found in FLVMeta up to 1.2.2. Affected is the function amf_string_new of the file src/amf.c of the component AMF String Processing. The manipulation of the argument length results in heap-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as f412a33b9a84c2d1a9dee145a868feddbf64879e. A patch should be applied to remediate this issue. The project maintainer doubts the security impact: "While I acknowledged the bugs and provided fixes, I have yet to see any way to exploit these alleged vulnerabilities."