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TI-2017-03455 Aliases CVE-2017-5429GHSA-jc2r-xxf8-56xv

Memory corruption in Mozilla Thunderbird

Priority MEDIUM 48CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 13 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Memory safety bugs were reported in Firefox 52, Firefox ESR 45.8, Firefox ESR 52, and Thunderbird 52. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Why it matters now

EPSS 0.03443 89th percentileScored 2026-11-07
Fix Partial Thunderbird (Mozilla): 52.1Firefox ESR (Mozilla): 45.9, 52.1+1 more productRed Hat: 3 advisoriesRed Hat: 13 fixed, 1 without a fix

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 · 10

CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
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:thunderbird:*:*:*:*:*:*:*:*before 52.1.0VulnerableMozilla
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • 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: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

Red Hat 3 advisories

  • RHSA-2017:1201 Released 2017-05-08 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux Client (v. 7) thunderbird-52.1.0-1.el7_3
    • Red Hat Enterprise Linux Desktop (v. 6) thunderbird-52.1.0-1.el6_9
    • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-52.1.0-1.el6_9
    • Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-52.1.0-1.el7_3
    • Red Hat Enterprise Linux Workstation (v. 6) thunderbird-52.1.0-1.el6_9
    • Red Hat Enterprise Linux Workstation (v. 7) thunderbird-52.1.0-1.el7_3
  • RHSA-2017:1106 Released 2017-04-21 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux Client (v. 7) firefox-52.1.0-2.el7_3
    • Red Hat Enterprise Linux Client Optional (v. 7) firefox-52.1.0-2.el7_3
    • Red Hat Enterprise Linux Server (v. 7) firefox-52.1.0-2.el7_3
    • Red Hat Enterprise Linux Server Optional (v. 7) firefox-52.1.0-2.el7_3, firefox-52.1.0-2.el7_3.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) firefox-52.1.0-2.el7_3
    • Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-52.1.0-2.el7_3
  • RHSA-2017:1104 Released 2017-04-20 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-52.1.0-2.el6_9
    • Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-52.1.0-2.el6_9
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-52.1.0-2.el6_9
    • Red Hat Enterprise Linux Server (v. 6) firefox-52.1.0-2.el6_9
    • Red Hat Enterprise Linux Server Optional (v. 6) firefox-52.1.0-2.el6_9, firefox-52.1.0-2.el6_9.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-52.1.0-2.el6_9
    • Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-52.1.0-2.el6_9

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: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:1106, RHSA-2017:1201
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:1106
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2017:1104, RHSA-2017:1201
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2017:1104
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2017:1104
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:1104
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:1106
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2017:1104, RHSA-2017:1201
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:1106, RHSA-2017:1201
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:1104, RHSA-2017:1201
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:1106, RHSA-2017:1201
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2017:1104
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:1106

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-5429
  2. 2026-10-03 Alias added: GHSA-jc2r-xxf8-56xv

References

Advisory 8

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