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    CVE-2026-2903

    A flaw has been found in skvadrik re2c up to 4.4. Impacted is the function check_and_merge_special_rules of the file src/parse/ast.cc. This manipulation causes null pointer dereference. The attack can only be executed locally. The exploit has been published and may be used. Patch name: febeb977936f9519a25d9fbd10ff8256358cdb97. It is suggested to install a patch to address this issue.

    Published:Feb 22, 2026
    Last Modified:Jun 23, 2026
    EPS:Feb 22, 2026
    EPSS Score:0.00113
    CVSS Score:3.3

    Affected Products

    Vendor
    Re2c
    Product
    Re2c
    Vendor
    Skvadrik
    Product
    Re2c

    Exploits

    No exploit reference

    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