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    CVE-2025-40843

    CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang Tidy. CodeChecker versions up to 6.26.1 contain a buffer overflow vulnerability in the internal ldlogger library, which is executed by the CodeChecker log command. This issue affects CodeChecker: through 6.26.1.

    Published:Oct 28, 2025
    Last Modified:Nov 14, 2025
    EPS:Oct 28, 2025
    EPSS Score:0.00017
    CVSS Score:5.9

    Affected Products

    Vendor
    Ericsson
    Product
    Codechecker

    Exploits

    https://github.com/Ericsson/codechecker/security/advisories/GHSA-5xf2-f6ch-6p8r

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-58107 (CVSS 5.5) — CodeChecker's massStoreRun processing path performs one-shot decompression of attacker-controlled, Base64-enco…
    CVE-2026-58106 (CVSS 2) — CVE-2025-40843 https://github.com/advisories/GHSA-5xf2-f6ch-6p8r  was fixed by replacing unchecked strcpy() wi…
    CVE-2026-58108 (CVSS 1.2) — The personal access token removal query selects from PersonalAccessTokenDB but filters on columns of Session, …
    CVE-2026-25660 (CVSS 9.3) — CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Cla…
    CVE-2025-1300 (CVSS 6.1) — CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Cla…
    CVE-2024-53829 (CVSS 8.2) — CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Cla…
    CVE-2024-10082 (CVSS 8.7) — CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Cla…
    CVE-2024-10081 (CVSS 10) — CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Cla…
    CVE-2023-49793 (CVSS 6.5) — CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Cla…
    CVE-2021-44217 (CVSS 6.1) — In Ericsson CodeChecker through 6.18.0, a Stored Cross-site scripting (XSS) vulnerability in the comments comp…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High