Mozilla Thunderbird up to 143 IPC Message information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Mozilla Thunderbird up to 143. Affected by this vulnerability is an unknown functionality of the component IPC Message Handler. Executing a manipulation can lead to information disclosure. This vulnerability is registered as CVE-2025-11710. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.
Details
A vulnerability classified as problematic was found in Mozilla Thunderbird up to 143. This vulnerability affects an unknown part of the component IPC Message Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:
A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
The advisory is shared for download at bugzilla.mozilla.org. This vulnerability was named CVE-2025-11710 since 10/13/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/16/2025). The MITRE ATT&CK project declares the attack technique as T1592.
The vulnerability scanner Nessus provides a plugin with the ID 270392 (Mozilla Firefox ESR < 115.29), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 144 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (270392) and CERT Bund (WID-SEC-2025-2275). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Affected
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- SUSE Linux
- Oracle Linux
- SUSE openSUSE
- RESF Rocky Linux
- IGEL OS
- Mozilla Firefox
- Mozilla Firefox ESR
- Mozilla Thunderbird
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 270392
Nessus Name: Mozilla Firefox ESR < 115.29
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Thunderbird 144
Timeline
10/13/2025 CVE reserved10/14/2025 Advisory disclosed
10/14/2025 VulDB entry created
11/16/2025 VulDB entry last update
Sources
Vendor: mozilla.orgAdvisory: bugzilla.mozilla.org
Status: Confirmed
CVE: CVE-2025-11710 (🔒)
GCVE (CVE): GCVE-0-2025-11710
GCVE (VulDB): GCVE-100-328240
CERT Bund: WID-SEC-2025-2275 - Mozilla Firefox: Mehrere Schwachstellen
Entry
Created: 10/14/2025 15:54Updated: 11/16/2025 13:26
Changes: 10/14/2025 15:54 (54), 10/15/2025 17:55 (2), 10/17/2025 15:16 (1), 11/16/2025 13:26 (7)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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