FLVMeta up to 1.2.2 AMF Object Parsing src/amf.c amf_object_get null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.9 | $0-$5k | 0.00+ |
Summary
A vulnerability categorized as problematic has been discovered in FLVMeta up to 1.2.2. Affected by this issue is the function amf_object_get of the file src/amf.c of the component AMF Object Parsing. Such manipulation leads to null pointer dereference.
This vulnerability is traded as CVE-2026-82821. The attack may be launched remotely. Furthermore, there is an exploit available.
It is advisable to implement a patch to correct 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."
Details
A vulnerability, which was classified as problematic, has been found in FLVMeta up to 1.2.2. Affected by this issue is the function amf_object_get of the file src/amf.c of the component AMF Object Parsing. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.
The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-82821. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known.
The exploit is available at github.com. It is declared as proof-of-concept. 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."
Applying the patch 52642f7dfb76ec7334016622dde60b1ae963d79b is able to eliminate this problem. The bugfix is ready for download at github.com.
Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 3.9
VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: 52642f7dfb76ec7334016622dde60b1ae963d79b
Timeline
08/31/2026 Advisory disclosed08/31/2026 VulDB entry created
08/31/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2026-82821 (🔒)
GCVE (CVE): GCVE-0-2026-82821
GCVE (VulDB): GCVE-100-397244
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 08/31/2026 09:09Changes: 08/31/2026 09:09 (59)
Complete: 🔍
Submitter: Raind
Cache ID: 216::103
Submit
Accepted
- Submit #876597: flvmeta 1.2.2 SEGV (by Raind)
Once again VulDB remains the best source for vulnerability data.
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