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Vulnerability details: VCID-6gvr-zjz7-5uh5
Vulnerability ID VCID-6gvr-zjz7-5uh5
Aliases CVE-2017-5461
Summary An out-of-bounds write during Base64 decoding operation in the Network Security Services (NSS) library due to insufficient memory being allocated to the buffer. This results in a potentially exploitable crash. The NSS library has been updated to fix this issue to address this issue and Firefox 53 has been updated with NSS version 3.29.5.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-5461.json
epss 0.01237 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01237 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01237 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
epss 0.01411 https://api.first.org/data/v1/epss?cve=CVE-2017-5461
cvssv2 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
archlinux Critical https://security.archlinux.org/AVG-247
archlinux Critical https://security.archlinux.org/AVG-248
archlinux Critical https://security.archlinux.org/AVG-249
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-10
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-11
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-12
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-13
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-5461.json
https://api.first.org/data/v1/epss?cve=CVE-2017-5461
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5429
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5432
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5433
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5434
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5435
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5436
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5438
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5439
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5440
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5441
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5442
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5443
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5444
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5445
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5446
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5447
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5448
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5459
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5460
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5461
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5462
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5464
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5465
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5469
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7502
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1440080 https://bugzilla.redhat.com/show_bug.cgi?id=1440080
862958 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862958
ASA-201704-4 https://security.archlinux.org/ASA-201704-4
ASA-201704-6 https://security.archlinux.org/ASA-201704-6
ASA-201705-21 https://security.archlinux.org/ASA-201705-21
AVG-247 https://security.archlinux.org/AVG-247
AVG-248 https://security.archlinux.org/AVG-248
AVG-249 https://security.archlinux.org/AVG-249
mfsa2017-10 https://www.mozilla.org/en-US/security/advisories/mfsa2017-10
mfsa2017-11 https://www.mozilla.org/en-US/security/advisories/mfsa2017-11
mfsa2017-12 https://www.mozilla.org/en-US/security/advisories/mfsa2017-12
mfsa2017-13 https://www.mozilla.org/en-US/security/advisories/mfsa2017-13
RHSA-2017:1100 https://access.redhat.com/errata/RHSA-2017:1100
RHSA-2017:1101 https://access.redhat.com/errata/RHSA-2017:1101
RHSA-2017:1102 https://access.redhat.com/errata/RHSA-2017:1102
RHSA-2017:1103 https://access.redhat.com/errata/RHSA-2017:1103
USN-3260-1 https://usn.ubuntu.com/3260-1/
USN-3270-1 https://usn.ubuntu.com/3270-1/
USN-3278-1 https://usn.ubuntu.com/3278-1/
USN-3372-1 https://usn.ubuntu.com/3372-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-5461.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.78496
EPSS Score 0.01237
Published At Sept. 21, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:16.002762+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2017/mfsa2017-10.yml 37.0.0