CVE-2025-4084

EUVD-2025-12687
Due to insufficient escaping of the special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system.
*This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox ESR 128.10, Firefox ESR 115.23, and Thunderbird 128.10.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.7 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 51%
Affected Products (NVD)
VendorProductVersion
mozillafirefox_esr
𝑥
< 115.23
mozillafirefox_esr
128.0 ≤
𝑥
< 128.10
mozillathunderbird_esr
𝑥
< 128.10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox-esr
bookworm
140.10.2esr-1~deb12u1
fixed
bookworm (security)
140.11.0esr-1~deb12u1
fixed
bullseye
115.14.0esr-1~deb11u1
fixed
bullseye (security)
140.11.0esr-1~deb11u1
fixed
forky
140.11.0esr-1
fixed
sid
140.11.0esr-1
fixed
trixie
140.10.2esr-1~deb13u1
fixed
trixie (security)
140.11.0esr-1~deb13u1
fixed
thunderbird
bookworm
1:140.10.1esr-1~deb12u1
fixed
bookworm (security)
1:140.11.0esr-1~deb12u1
fixed
bullseye
1:115.12.0-1~deb11u1
fixed
bullseye (security)
1:140.11.0esr-1~deb11u1
fixed
forky
1:140.11.0esr-1
fixed
sid
1:140.11.0esr-1
fixed
trixie
1:140.10.1esr-1~deb13u1
fixed
trixie (security)
1:140.11.0esr-1~deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
focal
dne
jammy
not-affected
noble
not-affected
oracular
not-affected
plucky
not-affected
thunderbird
focal
dne
jammy
not-affected
noble
not-affected
oracular
not-affected
plucky
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
MozillaFirefox
suse enterprise desktop 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP2
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.152.179.1
fixed
MozillaFirefox-devel
suse enterprise desktop 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP2
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.152.179.1
fixed
MozillaFirefox-translations-common
suse enterprise desktop 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP2
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.152.179.1
fixed
MozillaFirefox-translations-other
suse enterprise desktop 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP2
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.152.179.1
fixed
MozillaThunderbird
suse enterprise desktop 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise workstation 15 SP6
128.10.0-150200.8.212.1
fixed
MozillaThunderbird-translations-common
suse enterprise desktop 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise workstation 15 SP6
128.10.0-150200.8.212.1
fixed
MozillaThunderbird-translations-other
suse enterprise desktop 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise workstation 15 SP6
128.10.0-150200.8.212.1
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1949994%2C1956698%2C1960198
https://www.mozilla.org/security/advisories/mfsa2025-29/
https://www.mozilla.org/security/advisories/mfsa2025-30/
https://www.mozilla.org/security/advisories/mfsa2025-32/
https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html