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    CVE-2020-23257

    Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.

    Published:Apr 4, 2023
    Last Modified:Feb 13, 2025
    EPS:Apr 4, 2023
    EPSS Score:0.00134
    CVSS Score:7.5

    Affected Products

    Vendor
    Espruino
    Product
    Espruino

    Exploits

    https://github.com/espruino/Espruino/issues/1820https://github.com/espruino/Espruino/issues/1820

    Related CVEs

    CVE-2024-25201 (CVSS 7.5) — Espruino 2v20 (commit fcc9ba4) was discovered to contain an Out-of-bounds Read via jsvStringIteratorPrintfCall…
    CVE-2024-25200 (CVSS 7.5) — Espruino 2v20 (commit fcc9ba4) was discovered to contain a Stack Overflow via the jspeFactorFunctionCall at sr…
    CVE-2020-19693 (CVSS 9.8) — An issue found in Espruino Espruino 6ea4c0a allows an attacker to execute arbitrrary code via oldFunc paramete…
    CVE-2022-25044 (CVSS 7.8) — Espruino 2v11.251 was discovered to contain a stack buffer overflow via src/jsvar.c in jsvNewFromString.…
    CVE-2022-25465 (CVSS 7.8) — Espruino 2v11 release was discovered to contain a stack buffer overflow via src/jsvar.c in jsvGetNextSibling.…
    CVE-2021-46325 (CVSS 7.8) — Espruino 2v10.246 was discovered to contain a stack buffer overflow via src/jsutils.c in vcbprintf.…
    CVE-2021-46324 (CVSS 7.8) — Espruino 2v11.251 was discovered to contain a stack buffer overflow via src/jsvar.c in jsvNewFromString.…
    CVE-2021-46323 (CVSS 5.5) — Espruino 2v11.251 was discovered to contain a SEGV vulnerability via src/jsinteractive.c in jsiGetDeviceFromCl…
    CVE-2020-22884 (CVSS 9.8) — Buffer overflow vulnerability in function jsvGetStringChars in Espruino before RELEASE_2V09, allows remote att…
    CVE-2018-11598 (CVSS 7.1) — Espruino before 1.99 allows attackers to cause a denial of service (application crash) and a potential Informa…

    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