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OpenAdvisories
High RHSA-2021:1024 2 CVEs

Red Hat Security Advisory: openssl security update

Published Sep 13, 2024 · Updated Oct 9, 2026

Ecosystem: Red Hat

Fixed packages 7

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::baseos openssl 1:1.1.1g-15.el8_3
Red Hat · RHEL 8 enterprise_linux:8::baseos openssl-debuginfo 1:1.1.1g-15.el8_3
Red Hat · RHEL 8 enterprise_linux:8::baseos openssl-debugsource 1:1.1.1g-15.el8_3
Red Hat · RHEL 8 enterprise_linux:8::baseos openssl-devel 1:1.1.1g-15.el8_3
Red Hat · RHEL 8 enterprise_linux:8::baseos openssl-libs 1:1.1.1g-15.el8_3
Red Hat · RHEL 8 enterprise_linux:8::baseos openssl-libs-debuginfo 1:1.1.1g-15.el8_3
Red Hat · RHEL 8 enterprise_linux:8::baseos openssl-perl 1:1.1.1g-15.el8_3

Vulnerabilities 2

  • High 7.4
    CVE-2021-3450 Public exploit EPSS 18%

    CA certificate check bypass with X509_V_FLAG_X509_STRICT

    The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded e…

    OpenSSL OpenSSL openssl openssl Debian Alpine crates.io
  • Medium 5.9
    CVE-2021-3449 Public exploit EPSS 64%

    NULL pointer deref in signature_algorithms processing

    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 (where it was present in the initial ClientHello), but includes a si…

    OpenSSL OpenSSL openssl openssl Debian Ubuntu Alpine crates.io

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1941547
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1941554
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1024.json
  • report
    https://access.redhat.com/security/cve/CVE-2021-3449
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-3449
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-3449
  • article
    https://www.openssl.org/news/secadv/20210325.txt
  • report
    https://access.redhat.com/security/cve/CVE-2021-3450
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-3450
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-3450