CVE-2026-82820

Katalog CVE

CVSS 4.3 · Medium EPSS 0,63%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer. Skor CVSS 3.1 4.3 (Medium) menurut vuldb.com.

Deskripsi (NVD)

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."

Rincian

Terbit di NVD

31 Agustus 2026

Terakhir diubah

1 September 2026

Status NVD

Deferred

CVSS 3.1

4.3 (Medium), sumber vuldb.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122: Heap-based Buffer Overflow

EPSS (30 hari)

0,63% peluang dieksploitasi; lebih tinggi dari 48,6% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• 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