SUSE-SU-2021:0955-2

    Dashboard / Vulnerabilities / SUSE-SU-2021:0955-2

    SUSE-SU-2021:0955-2

    Published: 13 Jul 2022Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-3449
    Aliases:
    CVE-2021-3449

    Summary: Security update for openssl-1_1

    Details: This update for openssl-1_1 fixes the security issue: * CVE-2021-3449: An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension but includes a signature_algorithms_cert extension, then a NULL pointer dereference will result, leading to a crash and a denial of service attack. OpenSSL TLS clients are not impacted by this issue. [bsc#1183852]

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20210955-2/, https://bugzilla.suse.com/1183852, https://www.suse.com/security/cve/CVE-2021-3449

    Affected packages

    Package

    Name: openssl-1_1

    Purl: pkg:rpm/suse/openssl-1_1&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Certifications%2015%20SP3

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.1.1d-11.20.1

    Affected versions

    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
    SUSE-SU-2021:0955-2 | CVE-DB