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Vulnerability · Published Aug 31, 2026 · Assigned by VulDB

CVE-2026-82821FLVMeta AMF Object Parsing amf.c amf_object_get null pointer dereference

Medium 4.3

In plain English

A medium-severity null pointer dereference in FLVMeta. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.6%top 52.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was determined in FLVMeta up to 1.2.2. Affected by this vulnerability is the function amf_object_get of the file src/amf.c of the component AMF Object Parsing. This manipulation causes null pointer dereference. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 52642f7dfb76ec7334016622dde60b1ae963d79b. To fix this issue, it is recommended to deploy a patch. 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."

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12flvmetano fix listedDEBIAN-CVE-2026-82821
Debian:13flvmetano fix listedDEBIAN-CVE-2026-82821
Debian:14flvmetano fix listedDEBIAN-CVE-2026-82821
Ubuntu:22.04:LTSflvmetano fix listedUBUNTU-CVE-2026-82821
Ubuntu:24.04:LTSflvmetano fix listedUBUNTU-CVE-2026-82821
Ubuntu:26.04:LTSflvmetano fix listedUBUNTU-CVE-2026-82821
Ubuntu:26.10flvmetano fix listedUBUNTU-CVE-2026-82821

Affected products (as reported)

VendorProductVersions
n/a FLVMeta 1.2.01.2.11.2.2

Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

References