Mozilla Firefox/Firefox ESR/Thunderbird Canvas Object free uninitialized resource

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Mozilla Firefox, Firefox ESR and Thunderbird. It has been classified as critical. This issue affects the function free of the component Canvas Object Handler. Performing a manipulation results in uninitialized resource.
This vulnerability was named CVE-2021-29980. The attack may be initiated remotely. There is no available exploit.
Upgrading the affected component is recommended.
Details
A vulnerability classified as critical has been found in Mozilla Firefox, Firefox ESR and Thunderbird (Web Browser) (unknown version). This affects the function free of the component Canvas Object Handler. The manipulation with an unknown input leads to a uninitialized resource vulnerability. CWE is classifying the issue as CWE-908. The product uses or accesses a resource that has not been initialized. This is going to have an impact on availability.
The weakness was presented 08/18/2021. The advisory is shared at mozilla.org. This vulnerability is uniquely identified as CVE-2021-29980. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.
Upgrading eliminates this vulnerability. The upgrade is hosted for download at mozilla.org.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
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
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Uninitialized resourceCWE: CWE-908
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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: mozilla.org
Timeline
04/01/2021 🔍08/18/2021 🔍
08/18/2021 🔍
08/19/2021 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: mozilla.org
Status: Confirmed
CVE: CVE-2021-29980 (🔍)
GCVE (CVE): GCVE-0-2021-29980
GCVE (VulDB): GCVE-100-181053
Entry
Created: 08/18/2021 10:24Updated: 08/19/2021 22:26
Changes: 08/18/2021 10:24 (40), 08/19/2021 22:26 (2)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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