Vulnerability 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."
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/noirotm/flvmeta/commit/f412a33b9a84c2d1a9dee145a868feddbf6487
- https://github.com/noirotm/flvmeta/issues/27
- https://github.com/raind20001020/Poc/blob/main/flvmeta_heap_buffer_overflow
- https://vuldb.com/cve/CVE-2026-82820
- https://vuldb.com/submit/876596
- https://vuldb.com/vuln/397243
- https://vuldb.com/vuln/397243/cti
FAQ
What is CVE-2026-82820?
CVE-2026-82820 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 ...
How severe is CVE-2026-82820?
CVE-2026-82820 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-82820?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.