RLSA-2021:0538

    Dashboard / Vulnerabilities / RLSA-2021:0538

    RLSA-2021:0538

    Published: 16 Feb 2021Last Modified: 5 Feb 2026

    Summary: Moderate: nss security and bug fix update

    Details: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. Security Fix(es): * nss: Side channel attack on ECDSA signature generation (CVE-2020-6829) * nss: P-384 and P-521 implementation uses a side-channel vulnerable modular inversion function (CVE-2020-12400) * nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read (CVE-2020-12403) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * Support key wrap/unwrap with RSA-OAEP (BZ#1896431) * 1536bit group from RFC3526 is allowed in FIPS mode when in policy DH-MIN is set to be lower than 1536 (BZ#1896432) * when NSS_SDB_USE_CACHE not set, after curl access https, dentry increase but never released - consider alternative algorithm for benchmarking ACCESS call in sdb_measureAccess [Rocky Linux-8] (BZ#1896933) * Policy should allow overriding library defaults (BZ#1898702) * KDF-self-tests-induced changes for nss in Rocky Linux 8.4 (BZ#1898953) * nss: non-blocksize requests to IKEv1 KDF returns bogus output (BZ#1904408)

    Affected packages

    Package

    Name: nss

    Purl: pkg:rpm/rocky-linux/nss?distro=rocky-linux-8-4-legacy&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:3.53.1-17.el8_3

    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
    RLSA-2021:0538 | CVE-DB