CVE-2026-82821— FLVMeta AMF Object Parsing amf.c amf_object_get null pointer dereference
Quick assessment
Affected
n/a FLVMeta
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 FLVMeta 1.2.2 及更早版本中发现了一个漏洞。受影响的函数是位于 文件中的 函数，该函数属于“AMF 对象解析”组件。此漏洞会导致空指针解引用问题。该攻击可以远程发起。漏洞的利用方式已公开披露，并可能被利用。补丁名称： 。建议部署该补丁以修复此问题。项目维护者对该漏洞的安全影响持怀疑态度，表示：“虽然我确认了这些 bug 并提供了修复方案，但截至目前，我尚未发现任何可利用这些所谓漏洞的方式。”
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-82821
Vulnerability Information
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Vulnerability Title
FLVMeta AMF Object Parsing amf.c amf_object_get null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability 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."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | FLVMeta | 1.2.0 |
cpe:2.3:a:flvmeta:flvmeta:*:*:*:*:*:*:*:*
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II. Public POCs for CVE-2026-82821
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-82821 (1)
Vendor Advisories for CVE-2026-82821 (1)
Proof of Concept for CVE-2026-82821 (2)
Other References for CVE-2026-82821 (2)
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🔗 CVE-2026-82821 in FLVMeta third-party-advisory
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🔗 CVE-2026-82821 FLVMeta AMF Object Parsing amf.c amf_object_get null pointer dereference vdb-entry technical-description
Same Patch Batch · n/a · 2026-08-31 · 87 CVEs total
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| CVE-2026-82630 | 7.3 HIGH | PowerJob Transport Endpoint TestController.java MuConnectionManager.getOrCreateConnection |
| CVE-2026-82598 | 7.3 HIGH | SeaCMS Template search.php parseIf code injection |
| CVE-2026-82600 | 7.3 HIGH | SeaCMS zyapi.php sql injection |
| CVE-2026-82603 | 5.4 MEDIUM | SeaCMS Comment Cache member.php del_pl path traversal |
| CVE-2026-82599 | 5.4 MEDIUM | SeaCMS Avatar Upload member.php unlink path traversal |
| CVE-2026-82623 | 5.3 MEDIUM | open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange |
| CVE-2026-82602 | 5.3 MEDIUM | SeaCMS ass.php authorization |
| CVE-2026-82805 | 4.3 MEDIUM | Typora Mermaid Rendering cross site scripting |
| CVE-2026-82820 | 4.3 MEDIUM | FLVMeta AMF String Processing amf.c amf_string_new heap-based overflow |
| CVE-2026-82601 | 4.3 MEDIUM | SeaCMS err.php cross site scripting |
| CVE-2026-82596 | 3.3 LOW | LatencyUtils PauseDetector LatencyStats.java LatencyStats.recordDetectedPause memory corru |
| CVE-2026-51717 | TOTOLINK T6 4.1.5 未认证访问控制缺陷 | |
| CVE-2026-51715 | TOTO Link T6 4.1.5未授权MAC过滤删除漏洞 | |
| CVE-2026-51716 | TOTOLINK T6 4.1.5端口转发规则未授权删除 | |
| CVE-2026-51713 | TOTOLINK T6 4.1.5 访问控制不当漏洞 | |
| CVE-2026-51714 | TOTOLINK T6 4.1.5 未认证访问控制缺陷 | |
| CVE-2026-51718 | TOTOLINK T6 4.1.5 未认证访问控制缺陷 | |
| CVE-2026-51704 | TOTOLINK T6 4.1.5 未授权访问控制漏洞 | |
| CVE-2026-51720 | TOTOLINK T6 4.1.5未授权访问控制缺陷 |
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Same weakness: CWE-476
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V. Comments for CVE-2026-82821
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