CVE-2017-5461

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.41% Top 25%
Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Affected: Mozilla Firefox ESR
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201705-04 third party advisory vendor advisory
http://www.securityfocus.com/bid/98050 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:1103 patch vendor advisory
http://www.debian.org/security/2017/dsa-3831 patch vendor advisory
https://access.redhat.com/errata/RHSA-2017:1100 patch vendor advisory
https://access.redhat.com/errata/RHSA-2017:1102 patch vendor advisory
https://access.redhat.com/errata/RHSA-2017:1101 patch vendor advisory
http://www.debian.org/security/2017/dsa-3872 patch vendor advisory
http://www.securitytracker.com/id/1038320 vdb entry third party advisory
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html patch
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html patch
https://www.oracle.com//security-alerts/cpujul2021.html
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.4_release_notes release notes vendor advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.30.1_release_notes release notes vendor advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.29.5_release_notes release notes vendor advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.28.4_release_notes release notes 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/mfsa2017-10/#CVE-2017-5461 vendor advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-13/#CVE-2017-5461 vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1344380 issue tracking permissions required
https://www.mozilla.org/en-US/security/advisories/mfsa2017-12/#CVE-2017-5461 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-5461?
CVE-2017-5461 has been scored as a critical severity vulnerability.
How to fix CVE-2017-5461?
To fix CVE-2017-5461, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5461 being actively exploited in the wild?
It is possible that CVE-2017-5461 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-5461?
CVE-2017-5461 affects Mozilla Thunderbird, Mozilla Firefox ESR, Mozilla Firefox.
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