TI-2016-04590 Aliases CVE-2016-5294 GHSA-pwq7-q338-mgmf

Improper input validation in Mozilla Thunderbird

LOW 25CWE-20Published 2018-06-11 · Updated 2024-08-06

Key facts

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

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

Summary

The Mozilla Updater can be made to choose an arbitrary target working directory for output files resulting from the update process. This vulnerability requires local system access. Note: this issue only affects Windows operating systems. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

Why it matters now

EPSS 0.0041 35th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Thunderbird (Mozilla): 45.5Firefox ESR (Mozilla): 45.5+1 more product

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Thunderbird	before 45.5	45.5	Patch available	CNA
Mozilla	Firefox ESR	before 45.5	45.5	Patch available	CNA
Mozilla	Firefox	before 50	50	Patch available	CNA

Thunderbird VendorMozilla Affected before 45.5 Fixed in 45.5 Patch available CNA
Firefox ESR VendorMozilla Affected before 45.5 Fixed in 45.5 Patch available CNA
Firefox VendorMozilla Affected before 50 Fixed in 50 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 45.5.0; before 50.0	Vulnerable	Mozilla
cpe:2.3:a:mozilla:thunderbird::::::::	before 45.5.0	Vulnerable	Mozilla
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 45.5.0; before 50.0 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 45.5.0 Vulnerable ·Mozilla
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA Thunderbird (Mozilla) Fixed in 45.5
Fix · CNA Firefox ESR (Mozilla) Fixed in 45.5
Fix · CNA Firefox (Mozilla) Fixed in 50

Fixed in the same release

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

Release · 2018-06-11
Mozilla Firefox 50
20 records Highest priority Priority MEDIUM 3 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2016-07417 Integer overflow in Mozilla FirefoxPriority MEDIUM 57
- TI-2016-07429 Access control flaw in Mozilla FirefoxPriority MEDIUM 46
- TI-2016-04585 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
Show all 20 records →
Release · 2018-06-11
Mozilla Firefox ESR 45.5
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2016-04589 Improper input validation in Mozilla Firefox ESRPriority LOW 25
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2016-5294
2026-10-03 Alias added: GHSA-pwq7-q338-mgmf

References

Exploit 1

https://bugzilla.mozilla.org/show_bug.cgi?id=1246972

Advisory 4

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