A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade nss-softokn-freebl-develUpgrade nss-utilUpgrade nss-softokn-develUpgrade nssUpgrade nsprUpgrade nss-softokn-freeblUpgrade nss-softoknUpgrade nss-sysinitUpgrade nspr-develUpgrade nss-develUpgrade nss-toolsUpgrade nss-util-devel | May 4, 2022 | Oct 20, 2020 |
| Alpine Linux | — | Upgrade nss | Aug 22, 2024 | Oct 20, 2020 |
| Amazon Linux Ami 2 | — | Upgrade nss-debuginfoUpgrade nss-sysinitUpgrade nss-toolsUpgrade nss-develUpgrade nss-pkcs11-develUpgrade nss | Jun 24, 2021 | Oct 20, 2020 |
| Amazon_linux | — | Upgrade nss | Jul 13, 2021 | Oct 20, 2020 |
| Centos_linux | — | Upgrade nss-debuginfoUpgrade nss-sysinitUpgrade nss-softokn-develUpgrade nss-util-develUpgrade nspr-develUpgrade nss-toolsUpgrade nss-softokn-freeblUpgrade nspr-debugsourceUpgrade nsprUpgrade nss-tools-debuginfoUpgrade nss-debugsourceUpgrade nss-softoknUpgrade nss-pkcs11-develUpgrade nss-softokn-debuginfoUpgrade nss-sysinit-debuginfoUpgrade nss-softokn-freebl-debuginfoUpgrade nssUpgrade nss-utilUpgrade nss-util-debuginfoUpgrade nspr-debuginfoUpgrade nss-develUpgrade nss-softokn-freebl-devel | Jun 1, 2021 | Oct 20, 2020 |
| Debian | — | Upgrade nss | Oct 30, 2023 | Oct 20, 2020 |
| Gentoo Linux | — | Upgrade dev-libs/nss. | May 28, 2021 | Oct 20, 2020 |
| Huawei Euleros 2_0_sp2 | — | Upgrade nss-develUpgrade nss-toolsUpgrade nss-sysinitUpgrade nss | Feb 22, 2021 | Oct 20, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade nss-toolsUpgrade nssUpgrade nss-sysinitUpgrade nss-devel | Jan 20, 2021 | Oct 20, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade nss-sysinitUpgrade nss-toolsUpgrade nssUpgrade nss-devel | Dec 16, 2020 | Oct 20, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade nss-develUpgrade nssUpgrade nss-toolsUpgrade nss-sysinit | Nov 26, 2020 | Oct 20, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade nss-utilUpgrade nss-softoknUpgrade nss | Dec 1, 2020 | Oct 20, 2020 |
| Oracle_linux | — | Upgrade nspr-develUpgrade nss-pkcs11-develUpgrade nss-utilUpgrade nss-softokn-freebl-develUpgrade nss-develUpgrade nsprUpgrade nss-softokn-freeblUpgrade nss-util-develUpgrade nss-softokn-develUpgrade nss-toolsUpgrade nss-softoknUpgrade nss-sysinitUpgrade nss | Apr 29, 2021 | Oct 19, 2020 |
| Redhat_linux | — | Upgrade nss-softokn-develUpgrade nss-util-develUpgrade nss-tools-debuginfoUpgrade nss-debugsourceUpgrade nss-softokn-freebl-develUpgrade nspr-debugsourceUpgrade nsprUpgrade nspr-develUpgrade nss-softoknUpgrade nss-softokn-freeblUpgrade nss-debuginfoUpgrade nss-util-debuginfoUpgrade nspr-debuginfoUpgrade nss-develUpgrade nss-utilUpgrade nss-softokn-debuginfoUpgrade nss-softokn-freebl-debuginfoUpgrade nss-toolsUpgrade nss-sysinitUpgrade nssUpgrade nss-pkcs11-develUpgrade nss-sysinit-debuginfoNo solution exists | Apr 28, 2021 | Oct 20, 2020 |
| Rocky_linux | — | Upgrade nss-softokn-freebl-debuginfoUpgrade nss-softokn-freebl-develUpgrade nss-develUpgrade nss-softokn-debuginfoUpgrade nss-debugsourceUpgrade nss-sysinit-debuginfoUpgrade nspr-debuginfoUpgrade nspr-debugsourceUpgrade nss-tools-debuginfoUpgrade nss-util-debuginfoUpgrade nss-softoknUpgrade nss-softokn-develUpgrade nss-toolsUpgrade nss-sysinitUpgrade nss-util-develUpgrade nss-utilUpgrade nsprUpgrade nss-softokn-freeblUpgrade nss-debuginfoUpgrade nspr-develUpgrade nss | May 5, 2022 | Oct 20, 2020 |
| Suse | — | Upgrade mozilla-nss-toolsUpgrade libsoftokn3-32bitUpgrade libsoftokn3-hmac-32bitUpgrade libsoftokn3-hmacUpgrade mozilla-nspr-develUpgrade libfreebl3-32bitUpgrade libfreebl3-hmac-32bitUpgrade libsoftokn3Upgrade mozilla-nss-32bitUpgrade mozilla-nss-develUpgrade mozilla-nssUpgrade mozilla-nsprUpgrade mozilla-nss-certsUpgrade mozilla-nspr-32bitUpgrade mozilla-nss-sysinit-32bitUpgrade libfreebl3Upgrade libfreebl3-hmacUpgrade mozilla-nss-sysinitUpgrade mozilla-nss-certs-32bit | Sep 17, 2021 | Oct 20, 2020 |
| Ubuntu | — | Upgrade libnss3 | May 11, 2022 | Oct 20, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 20, 2020 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub