TI-2017-05400 Aliases CVE-2017-7782 GHSA-jp88-jrm3-mr7m

Improper privilege management in Mozilla Thunderbird

LOW 26CWE-269Published 2018-06-11 · Updated 2024-08-05

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-269.

Summary

An error in the "WindowsDllDetourPatcher" where a RWX ("Read/Write/Execute") 4k block is allocated but never protected, violating DEP protections. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Why it matters now

EPSS 0.01057 64th percentileScored 2026-11-07

Fix Fixed Thunderbird (Mozilla): 52.3Firefox ESR (Mozilla): 52.3+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 52.3	52.3	Patch available	CNA
Mozilla	Firefox ESR	before 52.3	52.3	Patch available	CNA
Mozilla	Firefox	before 55	55	Patch available	CNA

Thunderbird VendorMozilla Affected before 52.3 Fixed in 52.3 Patch available CNA
Firefox ESR VendorMozilla Affected before 52.3 Fixed in 52.3 Patch available CNA
Firefox VendorMozilla Affected before 55 Fixed in 55 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 52.3.0; before 55.0	Vulnerable	Mozilla
cpe:2.3:a:mozilla:thunderbird::::::::	before 52.3.0	Vulnerable	Mozilla
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 52.3.0; before 55.0 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 52.3.0 Vulnerable ·Mozilla
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA Thunderbird (Mozilla) Fixed in 52.3
Fix · CNA Firefox ESR (Mozilla) Fixed in 52.3
Fix · CNA Firefox (Mozilla) Fixed in 55

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 55
14 records Highest priority Priority MEDIUM 3 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2017-05401 Improper input validation in Mozilla FirefoxPriority MEDIUM 48
- TI-2017-05406 Injection in Mozilla FirefoxPriority MEDIUM 46
- TI-2017-05398 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
Show all 14 records →
Release · 2018-06-11
Mozilla Firefox ESR, Thunderbird 52.3
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2017-05421 Improper input validation in Mozilla ThunderbirdPriority LOW 36
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2017-7782
2026-10-03 Alias added: GHSA-jp88-jrm3-mr7m

References

Patch 1

https://bugzilla.mozilla.org/show_bug.cgi?id=1344034

Advisory 3

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