CVE-2024-4771

EUVD-2024-44365
A memory allocation check was missing which would lead to a use-after-free if the allocation failed. This could have triggered a crash or potentially be leveraged to achieve code execution. This vulnerability affects Firefox < 126.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CISA-ADPADP
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 69%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 126.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
146.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
focal
Fixed 126.0+build2-0ubuntu0.20.04.1
released
jammy
not-affected
mantic
not-affected
noble
not-affected
thunderbird
focal
dne
jammy
not-affected
mantic
ignored
noble
not-affected
mozjs38
bionic
ignored
focal
dne
jammy
dne
mantic
dne
noble
dne
mozjs52
bionic
ignored
focal
ignored
jammy
dne
mantic
dne
noble
dne
mozjs68
focal
ignored
jammy
dne
mantic
dne
noble
dne
mozjs78
focal
dne
jammy
ignored
mantic
dne
noble
dne
mozjs91
focal
dne
jammy
ignored
mantic
dne
noble
dne
mozjs102
focal
dne
jammy
ignored
mantic
ignored
noble
ignored
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1893891
https://www.mozilla.org/security/advisories/mfsa2024-21/
https://bugzilla.mozilla.org/show_bug.cgi?id=1893891
https://www.mozilla.org/security/advisories/mfsa2024-21/