CVE-2021-29945
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- CVE-2021-29945
CVE Details
| Release Date: | 2021-06-24 | |
| Impact: | None | What is this? |
Description
The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
See more information about CVE-2021-29945 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 6.5 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (firefox) | ELSA-2021-1363 | 2021-04-27 |
| Oracle Linux version 7 (thunderbird) | ELSA-2021-1350 | 2021-04-27 |
| Oracle Linux version 8 (firefox) | ELSA-2021-1360 | 2021-04-27 |
| Oracle Linux version 8 (thunderbird) | ELSA-2021-1353 | 2021-04-27 |
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