Description
In Network Security Services (NSS) before 3.46, several cryptographic primitives had missing length checks. In cases where the application calling the library did not perform a sanity check on the inputs it could result in a crash due to a buffer overflow.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | NSS | unspecified – < 3.46 | 3.46 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nss | 2:3.47-1 | — |
| Debian 13 | nss | 2:3.47-1 | — |
| Debian 12 | nss | 2:3.47-1 | — |
| Debian 10 | nss | 2:3.42.1-1+deb10u3 | DSA-4726-1 |
| Debian 9 | nss | 2:3.26.2-1.1+deb9u2 | DLA-2388-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | nss | 2:3.26-1+debu8u10 | DLA-2058-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | nss | 2:3.35-2ubuntu2.7 | USN-4231-1 |
| Ubuntu 16.04 LTS | nss | 2:3.28.4-0ubuntu0.16.04.10 | USN-4231-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | nss | 2:3.28.4-0ubuntu0.14.04.5+esm4 | USN-4231-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | nspr +1 | 4.25.0-2.el8_2 | RHSA-2020:3280 |
| RHEL 8 | nss +9 | 3.53.1-11.el8_2 | RHSA-2020:3280 |
| RHEL 7 | nspr +1 | 4.25.0-2.el7_9 | RHSA-2020:4076 |
| RHEL 7 | nss +4 | 3.53.1-3.el7_9 | RHSA-2020:4076 |
| RHEL 7 | nss-softokn +3 | 3.53.1-6.el7_9 | RHSA-2020:4076 |
| RHEL 7 | nss-util +1 | 3.53.1-1.el7_9 | RHSA-2020:4076 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7.7 EUS | nss-softokn +3 | 3.44.0-9.el7_7 | RHSA-2021:1026 |
| RHEL 7.6 EUS | nss +4 | 3.36.0-9.el7_6 | RHSA-2021:0876 |
| RHEL 7.6 EUS | nss-softokn +3 | 3.36.0-7.el7_6 | RHSA-2021:0876 |
| RHEL 7.4 TUS | nss-softokn +3 | 3.28.3-10.el7_4 | RHSA-2021:0758 |
| RHEL 7.4 E4S | nss-softokn +3 | 3.28.3-10.el7_4 | RHSA-2021:0758 |
| RHEL 7.4 AUS | nss-softokn +3 | 3.28.3-10.el7_4 | RHSA-2021:0758 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | nspr | 4.25.0-2.el8_2 | RLSA-2020:3280 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | mozilla-nspr | 4.25-3.12.1 | SUSE-SU-2020:1677-1 |
| SLES 15 SP2 | mozilla-nss | 3.53-3.40.1 | SUSE-SU-2020:1677-1 |
| SLES 15 SP1 | mozilla-nspr | 4.23-3.9.1 | SUSE-SU-2020:1677-1, SUSE-SU-2019:3395-1 |
| SLES 15 SP1 | mozilla-nss | 3.47.1-3.22.1 | SUSE-SU-2020:1677-1, SUSE-SU-2019:3395-1 |
| SLES 15 | mozilla-nspr | 4.23-3.9.1 | SUSE-SU-2020:1677-1, SUSE-SU-2019:3395-1 |
| SLES 15 | mozilla-nss | 3.47.1-3.22.1 | SUSE-SU-2020:1677-1, SUSE-SU-2019:3395-1 |
| SLES 12 SP5 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES 12 SP5 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES 12 SP4 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES 12 SP4 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES 12 SP3 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES 12 SP2 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES 12 SP2 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES 12 SP1 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:0088-1 |
| SLES 12 SP1 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:0088-1 |
| SLES 11 SP4 | mozilla-nspr | 4.25-29.12.2 | SUSE-SU-2020:14418-1 |
| SLES 11 SP4 | mozilla-nss | 3.53.1-38.23.1 | SUSE-SU-2020:14418-1 |
| SLES for SAP 15 | mozilla-nspr | 4.25-3.12.1 | SUSE-SU-2020:1677-1 |
| SLES for SAP 15 | mozilla-nss | 3.53-3.40.1 | SUSE-SU-2020:1677-1 |
| SLES for SAP 12 SP5 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES for SAP 12 SP5 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES for SAP 12 SP4 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES for SAP 12 SP4 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES for SAP 12 SP3 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES for SAP 12 SP3 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES for SAP 12 SP2 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES for SAP 12 SP2 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SLES for SAP 12 SP1 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:0088-1 |
| SLES for SAP 12 SP1 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:0088-1 |
| SLE HPC 15 | mozilla-nspr | 4.25-3.12.1 | SUSE-SU-2020:1677-1 |
| SLE HPC 15 | mozilla-nss | 3.53-3.40.1 | SUSE-SU-2020:1677-1 |
| SUSE OpenStack Cloud Crowbar 9 | mozilla-nspr | 4.25-19.15.1 | SUSE-SU-2020:1839-1 |
| SUSE OpenStack Cloud Crowbar 9 | mozilla-nss | 3.53.1-58.48.1 | SUSE-SU-2020:1839-1 |
| SUSE OpenStack Cloud Crowbar 8 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SUSE OpenStack Cloud Crowbar 8 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SUSE OpenStack Cloud 9 | mozilla-nspr | 4.25-19.15.1 | SUSE-SU-2020:1839-1 |
| SUSE OpenStack Cloud 9 | mozilla-nss | 3.53.1-58.48.1 | SUSE-SU-2020:1839-1 |
| SUSE OpenStack Cloud 8 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SUSE OpenStack Cloud 8 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SUSE OpenStack Cloud 7 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SUSE OpenStack Cloud 7 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SUSE HPE Helion OpenStack 8 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SUSE HPE Helion OpenStack 8 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SUSE Enterprise Storage 5 | mozilla-nspr | 4.23-19.12.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
| SUSE Enterprise Storage 5 | mozilla-nss | 3.47.1-58.34.1 | SUSE-SU-2020:1839-1, SUSE-SU-2020:0088-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | mozilla-nss | 3.69.1-1.2 | openSUSE-SU-2024:11058-1 |
| openSUSE Leap 15.1 | mozilla-nspr | 4.23-lp151.2.6.1 | openSUSE-SU-2020:0854-1, openSUSE-SU-2020:0008-1 |
| openSUSE Leap 15.1 | mozilla-nss | 3.47.1-lp151.2.9.1 | openSUSE-SU-2020:0854-1, openSUSE-SU-2020:0008-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | nspr +1 | 4.25.0-2.amzn2 | ALAS2-2020-1559 |
| Amazon Linux 2 | nss +4 | 3.53.1-3.amzn2 | ALAS2-2020-1559 |
| Amazon Linux 2 | nss-softokn +3 | 3.53.1-6.amzn2 | ALAS2-2020-1559 |
| Amazon Linux 2 | nss-util +1 | 3.53.1-1.amzn2 | ALAS2-2020-1559 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | nspr +1 | 4.25.0-2.el8_2 | ELSA-2020-3280 |
| Oracle Linux 8 | nss +9 | 3.53.1-11.el8_2 | ELSA-2020-3280 |
| Oracle Linux 7 | nspr +1 | 4.25.0-2.el7_9 | ELSA-2020-4076 |
| Oracle Linux 7 | nss +4 | 3.53.1-3.el7_9 | ELSA-2020-4076 |
| Oracle Linux 7 | nss-softokn +3 | 3.53.1-6.0.1.el7_9 | ELSA-2020-4076 |
| Oracle Linux 7 | nss-util +1 | 3.53.1-1.el7_9 | ELSA-2020-4076 |
Advisories 23
- RHSA-2020:4076 Red Hat Security Advisory: nss and nspr security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 20, 2026
- USN-4231-1 nss vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- RHSA-2021:1026 Red Hat Security Advisory: nss-softokn security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2021:0876 Red Hat Security Advisory: nss and nss-softokn security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2021:0758 Red Hat Security Advisory: nss-softokn security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2020:3280 Red Hat Security Advisory: nss and nspr security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- DSA-4726-1 nss - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2058-1 nss - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2388-1 nss - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2020:3280 Moderate: nss and nspr security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2020:14418-1 Security update for mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11058-1 libfreebl3-3.69.1-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3395-1 Security update for mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1839-1 Security update for mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0854-1 Security update for mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0008-1 Security update for mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1677-1 Security update for mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2020:0088-1 Security update for mozilla-nspr, mozilla-nss SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2024-1591 Juniper JUNOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2024
- ICSA-21-040-04 Siemens RUGGEDCOM ROX II CISA ICS & IT advisories · Feb 9, 2021
- ALAS2-2020-1559 Moderate: nspr security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 11, 2020
- ELSA-2020-4076 Moderate: nss and nspr security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 8, 2020
- ELSA-2020-3280 Moderate: nss and nspr security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 4, 2020
References
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.46_release_notes
- https://bugzilla.mozilla.org/show_bug.cgi?id=1539788
- https://security.netapp.com/advisory/ntap-20210129-0001/
- https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04