CVE-2018-18493
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- CVE-2018-18493
CVE Details
| Release Date: | 2019-02-28 | |
| Impact: | Important | What is this? |
Description
A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
See more information about CVE-2018-18493 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: | 9.8 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (firefox) | ELSA-2018-3831 | 2018-12-18 |
| Oracle Linux version 6 (thunderbird) | ELSA-2019-0159 | 2019-01-25 |
| Oracle Linux version 7 (firefox) | ELSA-2018-3833 | 2018-12-18 |
| Oracle Linux version 7 (thunderbird) | ELSA-2019-0160 | 2019-01-25 |
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