CVE-2017-5461 json
Mozilla Network Security Services (NSS) before 3.21.4, 3.22.x through 3.28.x before 3.28.4, 3.29.x before 3.29.5, and 3.30.x before 3.30.1…
published 2017-05-11 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14565
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.7%
- EPSS 4.7% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
Mozilla Network Security Services (NSS) before 3.21.4, 3.22.x through 3.28.x before 3.28.4, 3.29.x before 3.29.5, and 3.30.x before 3.30.1 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by leveraging incorrect base64 operations.
Patch / fix
- Mozilla Thunderbird 52.1
- Mozilla Firefox ESR 45.9, 52.1
- Mozilla Firefox 53
- nss Debian 14, Debian 13, Debian 12 2:3.26.2-1.1
- firefox-esr Debian 14, Debian 13, Debian 12 45.9.0esr-1
debian advisories DEBIAN-CVE-2017-5461
- nss Ubuntu 14.04 LTS 2:3.28.4-0ubuntu0.14.04.1
- nss Ubuntu 16.04 LTS 2:3.28.4-0ubuntu0.16.04.1
- firefox Ubuntu 14.04 LTS 53.0+build6-0ubuntu0.14.04.1
- firefox Ubuntu 16.04 LTS 53.0+build6-0ubuntu0.16.04.1
- thunderbird Ubuntu 14.04 LTS 1:52.1.1+build1-0ubuntu0.14.04.1
- thunderbird Ubuntu 16.04 LTS 1:52.1.1+build1-0ubuntu0.16.04.1
ubuntu advisories UBUNTU-CVE-2017-5461
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- nss RHEL 6 3.28.4-1.el6_9
- nss RHEL 7 3.28.4-1.0.el7_3
- nss-util RHEL 6 3.28.4-1.el6_9
- nss-util RHEL 7 3.28.4-1.0.el7_3
- nss-tools RHEL 6 3.28.4-1.el6_9
- nss-tools RHEL 7 3.28.4-1.0.el7_3
- nss-sysinit RHEL 6 3.28.4-1.el6_9
- nss-sysinit RHEL 7 3.28.4-1.0.el7_3
red hat advisories RHSA-2017:1101RHSA-2017:1100RHSA-2017:1102RHSA-2017:1103
- mozilla-nss SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 3.29.5-47.3.2
- firefox-gcc5 SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +2 more 5.3.1+r233831-7.1
- MozillaFirefox SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 52.2.0esr-72.5.2
- firefox-libffi-gcc5 SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +2 more 5.3.1+r233831-7.1
- MozillaFirefox-branding-SLED SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +2 more 52-24.3.44
- MozillaFirefox-branding-SLE SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for SAP 12 +6 more 52-31.1
- MozillaFirefox SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for SAP 12 +7 more 52.2.0esr-108.3
- java-1_8_0-openjdk SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +4 more 1.8.0.121-23.4
suse advisories SUSE-SU-2017:2235-1SUSE-SU-2017:1669-1SUSE-SU-2017:1248-1SUSE-SU-2017:1175-1
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 92.0-1.2
- MozillaThunderbird openSUSE Tumbleweed 91.1.1-1.1
- MozillaThunderbird Package Hub 12 52.1.0-30.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10600-1openSUSE-SU-2024:10601-1openSUSE-SU-2017:1268-1
- nss Alpine 3.4, Alpine 3.3 3.23-r1
alpine advisories ALPINE-CVE-2017-5461
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- oracle.com/technetwork/security-advisory/cpujan2018-3236628.html patch
- oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html patch
- access.redhat.com/errata/RHSA-2017:1103 advisory
- debian.org/security/2017/dsa-3831 advisory
- access.redhat.com/errata/RHSA-2017:1100 advisory
- access.redhat.com/errata/RHSA-2017:1102 advisory
- access.redhat.com/errata/RHSA-2017:1101 advisory
- debian.org/security/2017/dsa-3872 advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2017-5461 updated cvss 9.8
nss: Write beyond bounds caused by bugs in Base64 de/encoding in nssb64d.c and nssb64e.c (MFSA 2017-10)
-
Red Hat Enterprise Linux 4 nssaffected: no fix available
-
Red Hat Enterprise Linux Client (v. 7) nss 3.28.4-1.0.el7_3, nss-util 3.28.4-1.0.el7_3, nss-tools 3.28.4-1.0.el7_3, nss-sysinit 3.28.4-1.0.el7_3 Red Hat Enterprise Linux Client Optional (v. 7) nss-devel 3.28.4-1.0.el7_3, nss-debuginfo 3.28.4-1.0.el7_3, nss-util-devel 3.28.4-1.0.el7_3, nss-pkcs11-devel 3.28.4-1.0.el7_3, nss-util-debuginfo 3.28.4-1.0.el7_3 Red Hat Enterprise Linux ComputeNode (v. 7) nss 3.28.4-1.0.el7_3, nss-util 3.28.4-1.0.el7_3, nss-tools 3.28.4-1.0.el7_3, nss-sysinit 3.28.4-1.0.el7_3fixed: vendor fix RHSA-2017:1100
-
Red Hat Enterprise Linux ComputeNode EUS (v. 7.2) nss-util 3.21.4-1.el7_2fixed: vendor fix RHSA-2017:1102
-
Red Hat Enterprise Linux ComputeNode Optional (v. 7) nss-devel 3.28.4-1.0.el7_3, nss-debuginfo 3.28.4-1.0.el7_3, nss-util-devel 3.28.4-1.0.el7_3, nss-pkcs11-devel 3.28.4-1.0.el7_3, nss-util-debuginfo 3.28.4-1.0.el7_3fixed: vendor fix RHSA-2017:1100
-
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2) nss-util-devel 3.21.4-1.el7_2, nss-util-debuginfo 3.21.4-1.el7_2fixed: vendor fix RHSA-2017:1102
-
Red Hat Enterprise Linux Desktop (v. 6) nss 3.28.4-1.el6_9, nss-util 3.28.4-1.el6_9, nss-tools 3.28.4-1.el6_9, nss-sysinit 3.28.4-1.el6_9 Red Hat Enterprise Linux Desktop Optional (v. 6) nss-devel 3.28.4-1.el6_9, nss-debuginfo 3.28.4-1.el6_9, nss-util-devel 3.28.4-1.el6_9, nss-pkcs11-devel 3.28.4-1.el6_9, nss-util-debuginfo 3.28.4-1.el6_9 Red Hat Enterprise Linux HPC Node (v. 6) nss 3.28.4-1.el6_9, nss-util 3.28.4-1.el6_9, nss-tools 3.28.4-1.el6_9, nss-sysinit 3.28.4-1.el6_9fixed: vendor fix RHSA-2017:1100
-
Red Hat Enterprise Linux HPC Node EUS (v. 6.7) nss-util 3.21.4-1.el6_7fixed: vendor fix RHSA-2017:1102
-
Red Hat Enterprise Linux HPC Node Optional (v. 6) nss-devel 3.28.4-1.el6_9, nss-debuginfo 3.28.4-1.el6_9, nss-util-devel 3.28.4-1.el6_9, nss-pkcs11-devel 3.28.4-1.el6_9, nss-util-debuginfo 3.28.4-1.el6_9fixed: vendor fix RHSA-2017:1100
show 8 moreshow fewer
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Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) nss-util-devel 3.21.4-1.el6_7, nss-util-debuginfo 3.21.4-1.el6_7fixed: vendor fix RHSA-2017:1102
-
Red Hat Enterprise Linux Long Life (v. 5.9 server) nss 3.14.3-11.el5_9, nss-tools 3.14.3-11.el5_9fixed: vendor fix RHSA-2017:1103
-
Red Hat Enterprise Linux Server (v. 5 ELS) nss 3.21.4-1.el5_11, nss-tools 3.21.4-1.el5_11fixed: vendor fix RHSA-2017:1101
-
Red Hat Enterprise Linux Server (v. 6) nss 3.28.4-1.el6_9, nss-util 3.28.4-1.el6_9, nss-tools 3.28.4-1.el6_9, nss-sysinit 3.28.4-1.el6_9 Red Hat Enterprise Linux Server (v. 7) nss 3.28.4-1.0.el7_3, nss-util 3.28.4-1.0.el7_3, nss-tools 3.28.4-1.0.el7_3, nss-sysinit 3.28.4-1.0.el7_3fixed: vendor fix RHSA-2017:1100
-
Red Hat Enterprise Linux Server AUS (v. 6.2) nss-util 3.13.1-11.el6_2 Red Hat Enterprise Linux Server AUS (v. 6.4) nss-util 3.14.3-9.el6_4 Red Hat Enterprise Linux Server AUS (v. 6.5) nss-util 3.16.1-5.el6_5 Red Hat Enterprise Linux Server AUS (v. 6.6) nss-util 3.19.1-4.el6_6 Red Hat Enterprise Linux Server EUS (v. 6.7) nss-util 3.21.4-1.el6_7 Red Hat Enterprise Linux Server EUS (v. 7.2) nss-util 3.21.4-1.el7_2fixed: vendor fix RHSA-2017:1102
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Red Hat Enterprise Linux Server Optional (v. 6) nss-debuginfo 3.28.4-1.el6_9, nss-pkcs11-devel 3.28.4-1.el6_9 Red Hat Enterprise Linux Server Optional (v. 7) nss-debuginfo 3.28.4-1.0.el7_3, nss-pkcs11-devel 3.28.4-1.0.el7_3fixed: vendor fix RHSA-2017:1100
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Red Hat Enterprise Linux Server TUS (v. 6.5) nss-util 3.16.1-5.el6_5 Red Hat Enterprise Linux Server TUS (v. 6.6) nss-util 3.19.1-4.el6_6fixed: vendor fix RHSA-2017:1102
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Red Hat Enterprise Linux Workstation (v. 6) nss 3.28.4-1.el6_9, nss-util 3.28.4-1.el6_9, nss-tools 3.28.4-1.el6_9, nss-sysinit 3.28.4-1.el6_9 Red Hat Enterprise Linux Workstation (v. 7) nss 3.28.4-1.0.el7_3, nss-util 3.28.4-1.0.el7_3, nss-tools 3.28.4-1.0.el7_3, nss-sysinit 3.28.4-1.0.el7_3 Red Hat Enterprise Linux Workstation Optional (v. 6) nss-debuginfo 3.28.4-1.el6_9, nss-pkcs11-devel 3.28.4-1.el6_9 Red Hat Enterprise Linux Workstation Optional (v. 7) nss-debuginfo 3.28.4-1.0.el7_3, nss-pkcs11-devel 3.28.4-1.0.el7_3fixed: vendor fix RHSA-2017:1100
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
4.70% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Mozilla Thunderbird
- Mozilla Firefox ESR
- Mozilla Firefox
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
access.redhat.com
/errata/RHSA-2017:1103
vendor-advisory, patch
-
debian.org
/security/2017/dsa-3831
vendor-advisory, patch
-
access.redhat.com
/errata/RHSA-2017:1100
vendor-advisory, patch
-
access.redhat.com
/errata/RHSA-2017:1102
vendor-advisory, patch
-
access.redhat.com
/errata/RHSA-2017:1101
vendor-advisory, patch
-
debian.org
/security/2017/dsa-3872
vendor-advisory, patch
-
oracle.com
/technetwork/security-advisory/cpujan2018-3236628.html
patch
-
oracle.com
/technetwork/security-advisory/cpuoct2017-3236626.html
patch
-
security.gentoo.org
/glsa/201705-04
vendor-advisory, third-party-advisory
-
developer.mozilla.org
/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.4_release_notes
release-notes, vendor-advisory
-
developer.mozilla.org
/en-US/docs/Mozilla/Projects/NSS/NSS_3.30.1_release_notes
release-notes, vendor-advisory
-
developer.mozilla.org
/en-US/docs/Mozilla/Projects/NSS/NSS_3.29.5_release_notes
release-notes, vendor-advisory
-
developer.mozilla.org
/en-US/docs/Mozilla/Projects/NSS/NSS_3.28.4_release_notes
release-notes, vendor-advisory
-
mozilla.org
/en-US/security/advisories/mfsa2017-11/#CVE-2017-5461
vendor-advisory
-
mozilla.org
/en-US/security/advisories/mfsa2017-10/#CVE-2017-5461
vendor-advisory
-
mozilla.org
/en-US/security/advisories/mfsa2017-13/#CVE-2017-5461
vendor-advisory
-
mozilla.org
/en-US/security/advisories/mfsa2017-12/#CVE-2017-5461
vendor-advisory
-
securityfocus.com
/bid/98050
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1038320
vdb-entry, third-party-advisory
- oracle.com //security-alerts/cpujul2021.html
-
bugzilla.mozilla.org
/show_bug.cgi?id=1344380
issue-tracking, permissions-required
Sources
- CVE List CVE-2017-5461
- NVD CVE-2017-5461
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.