Dvidelabs flatcc up to 0.6.3 Duplicate Symbol src/compiler/semantics.c align_order_members assertion

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k2.68

Summaryinfo

A vulnerability categorized as problematic has been discovered in Dvidelabs flatcc up to 0.6.3. Affected is the function align_order_members of the file src/compiler/semantics.c of the component Duplicate Symbol Handler. Such manipulation leads to assertion. This vulnerability is uniquely identified as CVE-2026-90786. The attack can be launched remotely. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Dvidelabs flatcc up to 0.6.3. Affected by this issue is the function align_order_members of the file src/compiler/semantics.c of the component Duplicate Symbol Handler. The manipulation with an unknown input leads to a assertion vulnerability. Using CWE to declare the problem leads to CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. Impacted is availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-90786. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch 8b19ba4e992ebcad7f5970704d1afc5507fa5205 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

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Assertion
CWE: CWE-617
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: 8b19ba4e992ebcad7f5970704d1afc5507fa5205

Timelineinfo

09/13/2026 Advisory disclosed
09/13/2026 +0 days VulDB entry created
09/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 387
Status: Confirmed

CVE: CVE-2026-90786 (🔒)
GCVE (CVE): GCVE-0-2026-90786
GCVE (VulDB): GCVE-100-403292
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/13/2026 15:06
Changes: 09/13/2026 15:06 (60)
Complete: 🔍
Submitter: lrrh
Cache ID: 216::103

Submitinfo

Accepted

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