CVE-2026-82821: NULL Pointer Dereference in FLVMeta
Description
CVE-2026-82821 is a medium severity vulnerability in FLVMeta up to version 1.2.2. It involves a null pointer dereference in the amf_object_get function within the AMF Object Parsing component. The vulnerability can be triggered remotely and has been publicly disclosed. Although a patch has been created, the project maintainer questions the practical exploitability of this issue.
CVSS v4.0
Score 5.3medium
Affected software
FLVMeta
cpe:2.3:a:flvmeta:flvmeta:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the amf_object_get function in the src/amf.c file of FLVMeta versions 1.2.0, 1.2.1, and 1.2.2. It causes a null pointer dereference, which may be triggered remotely. The flaw was publicly disclosed along with a patch identified by commit 52642f7dfb76ec7334016622dde60b1ae963d79b. Despite the disclosure and patch availability, the maintainer has expressed skepticism regarding the actual security impact or exploitability of the vulnerability.
Potential Impact
The vulnerability could cause a null pointer dereference remotely, potentially leading to a denial of service or application crash. However, there is no confirmed exploitation in the wild, and the maintainer doubts the severity or exploitability of the issue.
Mitigation Recommendations
A patch has been created to address this vulnerability. It is recommended to apply the patch identified by commit 52642f7dfb76ec7334016622dde60b1ae963d79b to remediate the issue. Since the maintainer questions the exploitability, immediate urgent action may not be necessary, but deploying the fix is advised to eliminate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-31T05:57:06.427Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a95cd85acd9273b49762f83
Added to database: 08/31/2026, 18:52:53 UTC
Last enriched: 09/07/2026, 15:20:21 UTC
Last updated: 10/14/2026, 06:48:21 UTC
Views: 78
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