RSEC-2023-2

    Dashboard / Vulnerabilities / RSEC-2023-2

    RSEC-2023-2

    Published: 13 Jul 2023Last Modified: 19 May 2025
    Upstream:
    CVE-2021-27836

    Summary: Denial of Service (DoS) vulnerability

    Details: The readxl R package is exposed to a vulnerability owing to its underlying use of libxls library version 1.6.2. The vulnerability originates in the xls_getWorkSheet function within xls.c in libxls. Attackers can exploit this flaw by utilizing a specially crafted XLS file, leading to a Denial of Service (DoS) attack.

    References: https://github.com/tidyverse/readxl/issues/679, https://readxl.tidyverse.org/news/index.html#readxl-142, https://security-tracker.debian.org/tracker/source-package/r-cran-readxl, https://nvd.nist.gov/vuln/detail/CVE-2021-27836

    Affected packages

    Package

    Name: readxl

    Purl: pkg:cran/readxl

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 1.4.1
    Fixed -1.4.2

    Affected versions

    1.4.1

    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
    RSEC-2023-2 | CVE-DB