FLVMeta up to 1.2.2 AMF Object Parsing src/amf.c amf_object_get null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00+

Summaryinfo

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."

Detailsinfo

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.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: 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: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 52642f7dfb76ec7334016622dde60b1ae963d79b

Timelineinfo

08/31/2026 Advisory disclosed
08/31/2026 +0 days VulDB entry created
08/31/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: 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

Entryinfo

Created: 08/31/2026 09:09
Changes: 08/31/2026 09:09 (59)
Complete: 🔍
Submitter: Raind
Cache ID: 216::103

Submitinfo

Accepted

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