vulnerability
Arch Linux: Arbitrary code execution (CVE-2019-11691)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Jul 23, 2019 | Jul 11, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Jul 23, 2019
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A use-after-free vulnerability can occur in Firefox before 67.0 and Thunderbird before 60.7.0, when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. This results in a potentially exploitable crash.
Solution
arch-linux-upgrade-latest
References
- CVE-2019-11691
- https://attackerkb.com/topics/CVE-2019-11691
- URL-https://bugzilla.mozilla.org/show_bug.cgi?id=1542465
- URL-https://security.archlinux.org/ASA-201905-8
- URL-https://security.archlinux.org/ASA-201905-9
- URL-https://www.mozilla.org/en-US/security/advisories/mfsa2019-13/
- URL-https://www.mozilla.org/en-US/security/advisories/mfsa2019-15/
- URL-https://www.mozilla.org/security/advisories/mfsa2019-13/
- URL-https://www.mozilla.org/security/advisories/mfsa2019-14/
- URL-https://www.mozilla.org/security/advisories/mfsa2019-15/
- CWE-416
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