| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Mozilla Thunderbird. Affected by this issue is some unknown functionality of the component Graphics Handler. Such manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2023-6204. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability was found in Mozilla Thunderbird (Mail Client Software) (the affected version unknown). It has been rated as problematic. Affected by this issue is an unknown part of the component Graphics Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. CVE summarizes:
On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox < 115.5, and Thunderbird < 115.5.0.
The weakness was released 11/21/2023. The advisory is available at bugzilla.mozilla.org. This vulnerability is handled as CVE-2023-6204 since 11/20/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.
The vulnerability scanner Nessus provides a plugin with the ID 239860 (TencentOS Server 2: firefox (TSSA-2023:0316)), which helps to determine the existence of the flaw in a target environment.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (239860). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.mozilla.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
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: Out-of-boundsCWE: CWE-125 / CWE-119
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: 239860
Nessus Name: TencentOS Server 2: firefox (TSSA-2023:0316)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
11/20/2023 🔍11/21/2023 🔍
11/21/2023 🔍
06/19/2025 🔍
Sources
Vendor: mozilla.orgAdvisory: DLA 3661-1
Status: Confirmed
CVE: CVE-2023-6204 (🔍)
GCVE (CVE): GCVE-0-2023-6204
GCVE (VulDB): GCVE-100-245906
Entry
Created: 11/21/2023 16:14Updated: 06/19/2025 11:02
Changes: 11/21/2023 16:14 (39), 12/15/2023 10:46 (1), 12/15/2023 10:52 (11), 06/19/2025 11:02 (17)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.

No comments yet. Languages: en.
Please log in to comment.