9.8
CVE-2018-18500
- EPSS 30.24%
- Published 05.02.2019 21:29:00
- Last modified 21.11.2024 03:56:03
- Source security@mozilla.org
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A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.
Data is provided by the National Vulnerability Database (NVD)
Mozilla ≫ Firefox ESR Version < 60.5
Mozilla ≫ Thunderbird Version < 60.5
Canonical ≫ Ubuntu Linux Version14.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version16.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.10
Debian ≫ Debian Linux Version8.0
Debian ≫ Debian Linux Version9.0
Redhat ≫ Enterprise Linux Desktop Version6.0
Redhat ≫ Enterprise Linux Desktop Version7.0
Redhat ≫ Enterprise Linux Server Version6.0
Redhat ≫ Enterprise Linux Server Version7.0
Redhat ≫ Enterprise Linux Server Aus Version7.6
Redhat ≫ Enterprise Linux Server Eus Version7.6
Redhat ≫ Enterprise Linux Server Tus Version7.6
Redhat ≫ Enterprise Linux Workstation Version6.0
Redhat ≫ Enterprise Linux Workstation Version7.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 30.24% | 0.965 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 9.8 | 3.9 | 5.9 |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 7.5 | 10 | 6.4 |
AV:N/AC:L/Au:N/C:P/I:P/A:P
|
CWE-416 Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.