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    CVE-2023-2905

    Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in the default configuration. Version 7.9 and prior does not appear to be vulnerable. This issue is resolved in version 7.11.

    Published:Aug 9, 2023
    Last Modified:Nov 21, 2024
    EPS:Aug 9, 2023
    EPSS Score:0.00243
    CVSS Score:8.8

    Affected Products

    Vendor
    Cesanta
    Product
    Mongoose

    Exploits

    https://takeonme.org/cves/CVE-2023-2905.htmlhttps://takeonme.org/cves/CVE-2023-2905.html

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-73253 (CVSS 9.1) — Mongoose is an embedded web server and network library. Prior to version 7.22, an on-path network attacker wit…
    CVE-2026-73255 (CVSS 6.5) — Mongoose is an embedded web server and network library. Prior to 7.22, an attacker who can control an SSI-enab…
    CVE-2026-73259 (CVSS 5.4) — Mongoose is an embedded web server and network library. Prior to 7.22, a remote attacker can send a crafted pe…
    CVE-2026-73256 (CVSS 9.1) — Mongoose is an embedded web server and network library. Prior to 7.22, a remote unauthenticated attacker can e…
    CVE-2026-73254 (CVSS 5.4) — Mongoose is an embedded web server and network library. Prior to 7.22, an attacker who can create a file with …
    CVE-2026-73258 (CVSS 6.5) — Mongoose is an embedded web server and network library. Prior to 7.22, a remote attacker can place a lone carr…
    CVE-2026-73251 (CVSS 9.3) — Mongoose is an embedded web server and network library. Prior to 7.23, a network attacker can impersonate a TL…
    CVE-2026-73257 (CVSS 9.1) — Mongoose is an embedded web server and network library. Priro to version 7.22, a remote unauthenticated attack…
    CVE-2026-11404 (CVSS 8.7) — Cesanta Mongoose before 7.22 contains an out-of-bounds read in the built-in TLS server function mg_tls_server_…
    CVE-2026-6986 (CVSS 2.9) — A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This issue affects the function mg_…

    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