CVE catalog
CVE-2023-25743
firefox-esr: CVE-2023-25743
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.65% · Oct 25, 2026
A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrome.<br>*This bug only affects Firefox Focus. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 110 and Firefox ESR < 102.8.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | firefox-esr | sid | 153.5.1esr-1 | not affected |
| Debian | firefox-esr | forky | 153.5.1esr-1 | not affected |
| Debian | firefox-esr | trixie | 140.15.0esr-1~deb13u1 | not affected |
| Debian | firefox-esr | trixie-security | 153.5.1esr-1~deb13u1 | not affected |
| Debian | firefox-esr | bookworm | 140.12.0esr-1~deb12u1 | not affected |
| Debian | firefox-esr | bookworm-security | 153.5.1esr-1~deb12u1 | not affected |
| Cpe | firefox_focus | Not reported | Not reported | unknown |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | firefox-esr | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | firefox-esr | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | firefox-esr | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | firefox-esr | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://access.redhat.com/errata/RHSA-2023:0805]
- [https://bugzilla.mozilla.org/show_bug.cgi?id=1800203]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2023_0808.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2023-25743]
- [https://security-tracker.debian.org/tracker/CVE-2023-25743]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0385.json]
- [https://www.mozilla.org/security/advisories/mfsa2023-05/]
- [https://www.mozilla.org/security/advisories/mfsa2023-06/]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]