Information disclosure in Mozilla Thunderbird
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 3 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.
Summary
An existing mitigation of timing side-channel attacks is insufficient in some circumstances. This issue is addressed in Network Security Services (NSS) 3.26.1. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.
Why it matters now
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 |
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.
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — DSA-3730
7 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2016-07433 Use after free in Mozilla FirefoxPriority CRITICAL 90
- TI-2016-04593 Integer overflow in Mozilla ThunderbirdPriority MEDIUM 48
- TI-2016-04586 Memory corruption in Mozilla ThunderbirdPriority MEDIUM 48
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-9074
- 2026-10-03 Alias added: GHSA-wwm5-654g-jj42
References
More Mozilla Firefox vulnerabilities
- 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
Sources
- CVE-2016-9074 · CVE Program
- CVE-2016-9074 · NVD
- FIRST EPSS
- GHSA-wwm5-654g-jj42 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-9074 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences