CVE-2024-4778

Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mozillaCNA
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CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 54%
VendorProductVersion
mozillafirefox
𝑥
< 126.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
139.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
noble
not-affected
mantic
not-affected
jammy
not-affected
focal
Fixed 126.0+build2-0ubuntu0.20.04.1
released
mozjs102
noble
ignored
mantic
ignored
jammy
ignored
focal
dne
mozjs38
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
mozjs52
noble
dne
mantic
dne
jammy
dne
focal
ignored
bionic
ignored
mozjs68
noble
dne
mantic
dne
jammy
dne
focal
ignored
mozjs78
noble
dne
mantic
dne
jammy
ignored
focal
dne
mozjs91
noble
dne
mantic
dne
jammy
ignored
focal
dne
thunderbird
noble
not-affected
mantic
ignored
jammy
not-affected
focal
not-affected
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1838834%2C1889291%2C1889595%2C1890204%2C1891545
https://www.mozilla.org/security/advisories/mfsa2024-21/
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1838834%2C1889291%2C1889595%2C1890204%2C1891545
https://www.mozilla.org/security/advisories/mfsa2024-21/