CVE-2023-5732
Publication date 25 October 2023
Last updated 26 August 2025
Ubuntu priority
Description
An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| thunderbird | 24.04 LTS noble |
Fixed 1:115.4.1+build1-0ubuntu1
|
| 22.04 LTS jammy |
Fixed 1:115.4.1+build1-0ubuntu0.22.04.1
|
|
| 20.04 LTS focal |
Fixed 1:115.4.1+build1-0ubuntu0.20.04.1
|
|
| 18.04 LTS bionic | Ignored end of standard support | |
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
6.5 · Medium
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
References
Related Ubuntu Security Notices (USN)
- USN-6468-1
- Thunderbird vulnerabilities
- 2 November 2023
Other references
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-46/#CVE-2023-5732
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-47/#CVE-2023-5732
- https://bugzilla.mozilla.org/show_bug.cgi?id=1690979
- https://bugzilla.mozilla.org/show_bug.cgi?id=1836962
- https://www.mozilla.org/security/advisories/mfsa2023-34/
- https://www.mozilla.org/security/advisories/mfsa2023-46/
- https://www.mozilla.org/security/advisories/mfsa2023-47/
- https://www.cve.org/CVERecord?id=CVE-2023-5732