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Vulnerability record · CVE-2017-5461 · published 11 May 2017

CVE-2017-5461: Mozilla network security services out-of-bounds write vulnerability

Mozilla · Network Security Services

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.

9.8 CVSS 3.0 Critical EPSS 4.7% · top 8.5% CWE-787 · Out-of-bounds write
9.8CVSS 3.0 base score, v2 7.5
4.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
42References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2017/dsa-3831 Patch
http://www.debian.org/security/2017/dsa-3872 Patch
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html Patch
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html Patch
http://www.securityfocus.com/bid/98050 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038320 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1100 Patch
https://access.redhat.com/errata/RHSA-2017:1101 Patch
https://access.redhat.com/errata/RHSA-2017:1102 Patch
https://access.redhat.com/errata/RHSA-2017:1103 Patch
https://bugzilla.mozilla.org/show_bug.cgi?id=1344380 Issue TrackingPermissions Required
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.4_release_notes Release NotesVendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.28.4_release_notes Release NotesVendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.29.5_release_notes Release NotesVendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.30.1_release_notes Release NotesVendor Advisory
https://security.gentoo.org/glsa/201705-04 Third Party Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/#CVE-2017-5461 Vendor Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5461 Vendor Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-12/#CVE-2017-5461 Vendor Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-13/#CVE-2017-5461 Vendor Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
http://www.debian.org/security/2017/dsa-3831 Patch
http://www.debian.org/security/2017/dsa-3872 Patch
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html Patch
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html Patch
http://www.securityfocus.com/bid/98050 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038320 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1100 Patch
https://access.redhat.com/errata/RHSA-2017:1101 Patch
https://access.redhat.com/errata/RHSA-2017:1102 Patch
https://access.redhat.com/errata/RHSA-2017:1103 Patch
https://bugzilla.mozilla.org/show_bug.cgi?id=1344380 Issue TrackingPermissions Required
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.4_release_notes Release NotesVendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.28.4_release_notes Release NotesVendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.29.5_release_notes Release NotesVendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.30.1_release_notes Release NotesVendor Advisory
https://security.gentoo.org/glsa/201705-04 Third Party Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/#CVE-2017-5461 Vendor Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5461 Vendor Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-12/#CVE-2017-5461 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-5461), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.