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CVE-2026-90784— Dvidelabs flatcc semantics.c fb_clear_parser memory leak

Quick assessment

Affected
Dvidelabs flatcc
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.

Dvidelabs flatcc 在 0.6.3 及更早版本中存在一个漏洞。受影响的元素是文件 中的 函数。该漏洞会导致内存泄漏，并可通过远程方式发起攻击。该漏洞的利用方式已公开披露，可能被实际利用。补丁的标识符（commit hash）为 。建议安装该补丁以修复此问题。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-90784

Vulnerability Information
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Vulnerability Title
Dvidelabs flatcc semantics.c fb_clear_parser memory leak
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Dvidelabs flatcc up to 0.6.3. The impacted element is the function fb_clear_parser of the file src/Compiler/semantics.c. The manipulation leads to memory leak. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 8dbc3419738da066151991fd2bf1d0c85591dea2. It is suggested to install a patch to address this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dvidelabs flatcc 0.6.0 cpe:2.3:a:dvidelabs:flatcc:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90784

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III. Intelligence Information for CVE-2026-90784

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Patches & Fixes for CVE-2026-90784 (2)

Same Patch Batch · Dvidelabs · 2026-09-14 · 3 CVEs total

CVE-2026-90785 5.3 MEDIUM Dvidelabs flatcc Struct Analysis semantics.c analyze_struct assertion
CVE-2026-90786 5.3 MEDIUM Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members assertion

IV. Related Vulnerabilities

Same product: flatcc
Same vendor: Dvidelabs
Same weakness: CWE-401

V. Comments for CVE-2026-90784

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