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    GCVE-1988-2026-0170

    Vulnerability from gna-1988 – Published: 2026-09-07 13:44 – Updated: 2026-09-09 10:11
    VLAI
    Title
    The DCHECK Illusion: Chrome's "Trusted Path" Policy Creates Vulnerabilities
    Summary
    Subject: The DCHECK Illusion: Chrome's "Trusted Path" Policy Creates Vulnerabilities Full article: https://potatobullet.com/chrome-dcheck-illusion-trusted-path-vulnerabilities/ Summary: An analysis of Chrome Mojo IPC finding 296 DCHECK instances across mojo/core/ and mojo/public/cpp/bindings/lib/, at least 15 guarding security-relevant conditions (bounds checks, offset validation, handle state) with ZERO protection in release builds. Error Principle classification: Omission Debt with Dₑ = 0.95. Root cause is architectural — DCHECK as security boundary — not individual bugs. Key numbers: - 296 DCHECK instances in Mojo IPC - 15+ guard security-critical conditions (compiled out in NDEBUG) - CVE-2022-3075 ($100K+ bounty), CVE-2025-2783 same class, same root cause - VRP-001 (2026) same class → dismissed "not a security bug" - VRP-005 DataPipe DCHECK OOB → dismissed in 6 minutes - No existing mitigation (MiraclePtr, CFG, ACG, ASLR, Site Isolation) blocks this Fix: Promote DCHECK to CHECK or if-return for all data crossing renderer→browser IPC boundary. — Shrikant Bhosale (The Debt Collector) _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
    Severity
    No CVSS data available.
    Impacted products
    Vendor Product Version
    The The DCHECK Illusion Affected: unknown
    Create a notification for this product.
    Relationships
    reference GCVE-1988-2026-0170 (this record)

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    GCVE-1988-2026-0030

    Vulnerability from gna-1988 – Published: 2026-09-07 13:20 – Updated: 2026-09-09 10:11
    VLAI
    Title
    The DCHECK Illusion: Chrome's "Trusted Path" Policy Creates Vulnerabilities
    Summary
    Subject: The DCHECK Illusion: Chrome's "Trusted Path" Policy Creates Vulnerabilities Full article: https://potatobullet.com/chrome-dcheck-illusion-trusted-path-vulnerabilities/ Summary: An analysis of Chrome Mojo IPC finding 296 DCHECK instances across mojo/core/ and mojo/public/cpp/bindings/lib/, at least 15 guarding security-relevant conditions (bounds checks, offset validation, handle state) with ZERO protection in release builds. Error Principle classification: Omission Debt with Dₑ = 0.95. Root cause is architectural — DCHECK as security boundary — not individual bugs. Key numbers: - 296 DCHECK instances in Mojo IPC - 15+ guard security-critical conditions (compiled out in NDEBUG) - CVE-2022-3075 ($100K+ bounty), CVE-2025-2783 same class, same root cause - VRP-001 (2026) same class → dismissed "not a security bug" - VRP-005 DataPipe DCHECK OOB → dismissed in 6 minutes - No existing mitigation (MiraclePtr, CFG, ACG, ASLR, Site Isolation) blocks this Fix: Promote DCHECK to CHECK or if-return for all data crossing renderer→browser IPC boundary. — Shrikant Bhosale (The Debt Collector) _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
    Severity
    No CVSS data available.
    Impacted products
    Vendor Product Version
    The The DCHECK Illusion Affected: unknown
    Create a notification for this product.

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