CVE-2020-35493

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    CVE-2020-35493

    Published: 4 Jan 2021Last Modified: 10 Oct 2026

    Summary:

    Details: A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/, https://security.gentoo.org/glsa/202107-24, https://security.netapp.com/advisory/ntap-20210212-0007/, https://bugzilla.redhat.com/show_bug.cgi?id=1911437

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -d7f734bc7e9e5fb6c33b433973b57e1eed3a7e9f

    Affected versions

    gdb-9-branchpoint

    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-2020-35493 | CVE-DB