CVE Feed

    Dashboard / CVE / CVE-2021-22902

    CVE-2021-22902

    The actionpack ruby gem (a framework for handling and responding to web requests in Rails) before 6.0.3.7, 6.1.3.2 suffers from a possible denial of service vulnerability in the Mime type parser of Action Dispatch. Carefully crafted Accept headers can cause the mime type parser in Action Dispatch to do catastrophic backtracking in the regular expression engine.

    Published:May 5, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 11, 2021
    EPSS Score:0.01063
    CVSS Score:7.5

    Affected Products

    Vendor
    Redhat
    Product
    Satellite
    Vendor
    Rubyonrails
    Product
    Rails

    Exploits

    https://discuss.rubyonrails.org/t/cve-2021-22902-possible-denial-of-service-vulnerability-in-action-dispatch/77866https://discuss.rubyonrails.org/t/cve-2021-22902-possible-denial-of-service-vulnerability-in-action-dispatch/77866

    Related CVEs

    CVE-2026-84232 (CVSS 5.4) — A flaw was found in pulpcore's content serving application. Files uploaded to Pulp file-type repositories are …
    CVE-2026-84218 (CVSS 8.1) — A flaw was found in Jolokia's JSR-160 proxy functionality where insufficient validation of client-controlled J…
    CVE-2026-17615 (CVSS 7.5) — A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perfor…
    CVE-2026-82327 (CVSS 5.5) — A flaw was found in libsolv, a dependency-resolution library used by RPM-based package managers such as dnf an…
    CVE-2026-81658 (CVSS 6.5) — A flaw was found in Foreman. The template revision endpoint does not enforce object-level authorization when r…
    CVE-2026-81668 (CVSS 5.4) — A flaw was found in Katello where the Content View Filter Rules API does not properly enforce authorization on…
    CVE-2026-79654 (CVSS 4.3) — A flaw was found in Katello where the Content View History API does not properly enforce authorization when ac…
    CVE-2026-19391 (CVSS 6.5) — A flaw was found in insights-core where the password redaction layer fails to recognize credentials not keyed …
    CVE-2026-16493 (CVSS 7.8) — A flaw was found in ansible-core. The _extract_collection_from_git() function in ansible-core's concrete_artif…
    CVE-2026-12701 (CVSS 9) — A path traversal vulnerability was found in pulpcore. The relative_path_validator function only verifies that …

    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