CVE-2026-82820
4.3 MoyenneDescription
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."
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 4.0 | 2.1 Faible | cna@vuldb.com | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| 3.1 | 4.3 Moyenne | cna@vuldb.com | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| 2.0 | 5.0 Moyenne | cna@vuldb.com | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Faiblesses (CWE)
Références
- https://github.com/noirotm/flvmeta/commit/f412a33b9a84c2d1a9dee145a868feddbf64879e
- 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