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TI-2017-03485 Aliases CVE-2017-5462GHSA-cv99-mqp9-mr8m

A flaw in DRBG number generation within the Network Security Services (NSS) library where…

Priority LOW 29CWE-682Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox ESR 52.1 has been updated with NSS version 3.28.4. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Why it matters now

EPSS 0.02588 85th percentileScored 2026-11-07
Fix Fixed Thunderbird (Mozilla): 52.1Firefox ESR (Mozilla): 45.9, 52.1+1 more product

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaThunderbirdbefore 52.152.1Patch availableCNA
MozillaFirefox ESRbefore 45.9; before 52.145.9, 52.1Patch availableCNA
MozillaFirefoxbefore 5353Patch availableCNA
  • Thunderbird VendorMozilla Affected before 52.1 Fixed in 52.1 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 45.9; before 52.1 Fixed in 45.9, 52.1 Patch available CNA
  • Firefox VendorMozilla Affected before 53 Fixed in 53 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 45.9.0; before 53.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:52.0:*:*:*:*:*:*:*52.0VulnerableMozilla
cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*before 3.28.4VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 52.1.0VulnerableMozilla
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 45.9.0; before 53.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:52.0:*:*:*:*:*:*:* Versions 52.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* Versions before 3.28.4 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 52.1.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Thunderbird (Mozilla) Fixed in 52.1
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 45.9, 52.1
  • Fix · CNA Firefox (Mozilla) Fixed in 53

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Mozilla Firefox, Firefox ESR, Thunderbird — DSA-3831

    23 records Highest priority Priority MEDIUM 21 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2017-03488 Out-of-bounds read in Mozilla ThunderbirdPriority MEDIUM 57
    • TI-2017-03471 Use after free in Mozilla ThunderbirdPriority MEDIUM 56
    • TI-2017-03492 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 49
    Show all 23 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-5462
  2. 2026-10-03 Alias added: GHSA-cv99-mqp9-mr8m

References

Advisory 7

Other 1

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3444 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences