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TI-2017-03473 Aliases CVE-2017-5449GHSA-jqh9-5c52-gwx9

Improper input validation in Mozilla Thunderbird

Priority LOW 38CWE-20Published · Updated

Key facts

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

Summary

A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text in concert with CSS animations. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

Why it matters now

EPSS 0.02513 84th percentileScored 2026-11-07
Fix Partial Thunderbird (Mozilla): 52.1Firefox ESR (Mozilla): 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 52.152.1Patch availableCNA
MozillaFirefoxbefore 5353Patch availableCNA
  • Thunderbird VendorMozilla Affected before 52.1 Fixed in 52.1 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 52.1 Fixed in 52.1 Patch available CNA
  • Firefox VendorMozilla Affected before 53 Fixed in 53 Patch available CNA

CPE configurations NVD · 16

CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
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_server_aus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • 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_server_aus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed 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:a:mozilla:firefox:*:*:*:*:*:*:*:*before 52.1.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 52.1.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 53.0VulnerableMozilla
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 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:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 52.1.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 52.1.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 53.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Thunderbird (Mozilla) Fixed in 52.1
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 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.

  • Release ·

    Mozilla Firefox 53

    14 records Highest priority Priority MEDIUM 3 MEDIUM, 11 LOW

    Other records, highest priority first

    • TI-2017-03456 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 48
    • TI-2017-03480 Incorrect permission assignment in Mozilla Firefox ESRPriority MEDIUM 47
    • TI-2017-03491 An issue with incorrect ownership model of "privateBrowsing" information exposed through…Priority MEDIUM 44
    Show all 14 records →
  • Release ·

    Mozilla Firefox ESR 52.1

    8 records Highest priority Priority MEDIUM 2 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2017-03456 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 48
    • TI-2017-03480 Incorrect permission assignment in Mozilla Firefox ESRPriority MEDIUM 47
    • TI-2017-03479 The internal feed reader APIs that crossed the sandbox barrier allowed for a sandbox…Priority LOW 39
    Show all 8 records →
Show 1 more group
  • Release ·

    Mozilla Thunderbird 52.1

    6 records Highest priority Priority MEDIUM 1 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2017-03456 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 48
    • TI-2017-03490 Memory corruption in Mozilla ThunderbirdPriority LOW 37
    • TI-2017-03478 Information disclosure in Mozilla ThunderbirdPriority LOW 37
    Show all 6 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. 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-2017-5449
  2. 2026-10-03 Alias added: GHSA-jqh9-5c52-gwx9

References

Advisory 7

  • 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