CVE-2021-4048

    Dashboard / Vulnerabilities / CVE-2021-4048

    CVE-2021-4048

    Published: 8 Dec 2021Last Modified: 27 Aug 2026

    Summary:

    Details: An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.0, as also used in OpenBLAS before version 0.3.18. Specially crafted inputs passed to these functions could cause an application using lapack to crash or possibly disclose portions of its memory.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QFEVOCUG2UXMVMFMTU4ONJVDEHY2LW2/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DROZM4M2QRKSD6FBO4BHSV2QMIRJQPHT/, https://github.com/JuliaLang/julia/issues/42415, https://github.com/Reference-LAPACK/lapack/commit/38f3eeee3108b18158409ca2a100e6fe03754781, https://github.com/Reference-LAPACK/lapack/pull/625, https://github.com/xianyi/OpenBLAS/commit/2be5ee3cca97a597f2ee2118808a2d5eacea050c, https://github.com/xianyi/OpenBLAS/commit/337b65133df174796794871b3988cd03426e6d41, https://github.com/xianyi/OpenBLAS/commit/ddb0ff5353637bb5f5ad060c9620e334c143e3d7, https://github.com/xianyi/OpenBLAS/commit/fe497efa0510466fd93578aaf9da1ad8ed4edbe7

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -efe42481e2c85e8197bdf533078bf89bdf6eabf4

    Affected versions

    v0.3.15
    v0.3.17
    v0.3.16
    v0.3.14
    v0.3.13
    v0.3.12
    v0.3.11
    v0.3.10
    v0.3.9
    v0.3.8
    v0.3.7
    v0.3.6
    v0.3.5
    v0.3.4
    v0.3.3
    v0.3.2
    v0.3.1
    v0.3.0

    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
    CVE-2021-4048 | CVE-DB