Dvidelabs flatcc semantics.c fb_clear_parser memory leak (CVE-2026-90784) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-90784

Dvidelabs flatcc semantics.c fb_clear_parser memory leak

Answer in brief

CVE-2026-90784 records a Unknown severity vulnerability in Dvidelabs flatcc semantics.c fb_clear_parser memory leak. The current sources do not mark it as known exploited. The current feed maps Dvidelabs/flatcc (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 14, 2026Updated Sep 14, 2026Source checked Sep 14, 2026First seen by HOL Sep 14, 2026Material review Sep 14, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Dvidelabs/flatcc (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Dvidelabs/flatccgeneric	0.6.0 \|\| 0.6.1 \|\| 0.6.2 \|\| 0.6.3	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Dvidelabs/flatcc.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 14, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 14, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 14, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.