CVE-2021-43527
nss-sysinit: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-...
CVE-2021-43527 is fixed in 29 products on 1 platform, first by DSA-5016-1, released December 1, 2021. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.8
Critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.1756
97th percentile
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: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) (CVE-2021-43527) 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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libnss3 · Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.13 | libnss3 2:3.35-2ubuntu2.13 | Dec 1, 2021 |
| libnss3 · Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.6 | libnss3 2:3.49.1-1ubuntu1.6 | Dec 1, 2021 |
| libnss3 · Ubuntu 22.04.1 LTS (jammy) | 2:3.68-1ubuntu2 | libnss3 2:3.68-1ubuntu2 | Dec 1, 2021 |
| libnss3-tools · Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.13 | libnss3-tools 2:3.35-2ubuntu2.13 | Dec 1, 2021 |
| libnss3-tools · Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.6 | libnss3-tools 2:3.49.1-1ubuntu1.6 | Dec 1, 2021 |
| libnss3-tools · Ubuntu 22.04.1 LTS (jammy) | 2:3.68-1ubuntu2 | libnss3-tools 2:3.68-1ubuntu2 | Dec 1, 2021 |
| nspr · amzn 2023 | 4.35.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nspr-debuginfo · amzn 2023 | 4.35.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nspr-devel · amzn 2023 | 4.35.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss · Debian 11.6 (bullseye) | 2:3.61-1+deb11u1 | DSA-5016-1 | Dec 1, 2021 |
| nss · Debian 12.15 (bookworm) | 2:3.73-1 | DEBIAN-CVE-2021-43527 | Dec 8, 2021 |
| nss · Debian 13.5 (trixie) | 2:3.73-1 | DEBIAN-CVE-2021-43527 | Dec 8, 2021 |
| nss · Debian 14 | 2:3.73-1 | DEBIAN-CVE-2021-43527 | Dec 8, 2021 |
| nss · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| nss · rocky 8 | 0:3.67.0-7.el8_5 | RLSA-2021:4903 | Dec 1, 2021 |
| nss-debuginfo · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-debugsource · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-devel · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss-devel · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss-devel · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-devel · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| nss-pkcs11-devel · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-softokn · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss-softokn · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss-softokn · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-softokn · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| nss-softokn-debuginfo · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-softokn-devel · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss-softokn-devel · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss-softokn-devel · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-softokn-devel · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| nss-softokn-freebl · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss-softokn-freebl · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss-softokn-freebl · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-softokn-freebl · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| nss-softokn-freebl-debuginfo · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-softokn-freebl-devel · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss-softokn-freebl-devel · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss-softokn-freebl-devel · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-softokn-freebl-devel · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| nss-sysinit · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss-sysinit · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss-sysinit · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-sysinit · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| nss-sysinit-debuginfo · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-tools · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss-tools · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss-tools · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-tools · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| nss-tools-debuginfo · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-util · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss-util · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss-util · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-util · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| nss-util-debuginfo · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-util-devel · RHEL 8 | 0:3.67.0-7.el8_5 | RHSA-2021:4903 | Dec 1, 2021 |
| nss-util-devel · almalinux 8 | 3.67.0-7.el8_5 | ALSA-2021:4903 | Dec 1, 2021 |
| nss-util-devel · amzn 2023 | 3.83.0-1.amzn2023.0.2 | ALAS2023-2023-031 | Feb 17, 2023 |
| nss-util-devel · ol 8 | 0:3.67.0-7.el8_5 | ELSA-2021-4903 | Dec 1, 2021 |
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:78.14.0+build1-0ubuntu0.18.04.2 | thunderbird 1:78.14.0+build1-0ubuntu0.18.04.2 | Dec 1, 2021 |
| thunderbird · Ubuntu 20.04 LTS (focal) | 1:78.14.0+build1-0ubuntu0.20.04.2 | thunderbird 1:78.14.0+build1-0ubuntu0.20.04.2 | Dec 1, 2021 |
| thunderbird · Ubuntu 22.04.1 LTS (jammy) | 1:91.4.0+build1.1-0ubuntu1 | thunderbird 1:91.4.0+build1.1-0ubuntu1 | Dec 1, 2021 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:78.14.0+build1-0ubuntu0.18.04.2 | thunderbird-gnome-support 1:78.14.0+build1-0ubuntu0.18.04.2 | Dec 1, 2021 |
| thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) | 1:78.14.0+build1-0ubuntu0.20.04.2 | thunderbird-gnome-support 1:78.14.0+build1-0ubuntu0.20.04.2 | Dec 1, 2021 |
| thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) | 1:91.4.0+build1.1-0ubuntu1 | thunderbird-gnome-support 1:91.4.0+build1.1-0ubuntu1 | Dec 1, 2021 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:78.14.0+build1-0ubuntu0.18.04.2 | thunderbird-mozsymbols 1:78.14.0+build1-0ubuntu0.18.04.2 | Dec 1, 2021 |
| thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) | 1:78.14.0+build1-0ubuntu0.20.04.2 | thunderbird-mozsymbols 1:78.14.0+build1-0ubuntu0.20.04.2 | Dec 1, 2021 |
| thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) | 1:91.4.0+build1.1-0ubuntu1 | thunderbird-mozsymbols 1:91.4.0+build1.1-0ubuntu1 | Dec 1, 2021 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:78.14.0+build1-0ubuntu0.18.04.2 | xul-ext-calendar-timezones 1:78.14.0+build1-0ubuntu0.18.04.2 | Dec 1, 2021 |
| xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) | 1:78.14.0+build1-0ubuntu0.20.04.2 | xul-ext-calendar-timezones 1:78.14.0+build1-0ubuntu0.20.04.2 | Dec 1, 2021 |
| xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) | 1:91.4.0+build1.1-0ubuntu1 | xul-ext-calendar-timezones 1:91.4.0+build1.1-0ubuntu1 | Dec 1, 2021 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:78.14.0+build1-0ubuntu0.18.04.2 | xul-ext-gdata-provider 1:78.14.0+build1-0ubuntu0.18.04.2 | Dec 1, 2021 |
| xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) | 1:78.14.0+build1-0ubuntu0.20.04.2 | xul-ext-gdata-provider 1:78.14.0+build1-0ubuntu0.20.04.2 | Dec 1, 2021 |
| xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) | 1:91.4.0+build1.1-0ubuntu1 | xul-ext-gdata-provider 1:91.4.0+build1.1-0ubuntu1 | Dec 1, 2021 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:78.14.0+build1-0ubuntu0.18.04.2 | xul-ext-lightning 1:78.14.0+build1-0ubuntu0.18.04.2 | Dec 1, 2021 |
| xul-ext-lightning · Ubuntu 20.04 LTS (focal) | 1:78.14.0+build1-0ubuntu0.20.04.2 | xul-ext-lightning 1:78.14.0+build1-0ubuntu0.20.04.2 | Dec 1, 2021 |
| xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) | 1:91.4.0+build1.1-0ubuntu1 | xul-ext-lightning 1:91.4.0+build1.1-0ubuntu1 | Dec 1, 2021 |
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