CVE-2024-8385

A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.
Type Confusion
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 61%
VendorProductVersion
mozillafirefox
𝑥
< 130.0
mozillafirefox_esr
𝑥
< 128.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
139.0-1
fixed
bookworm
not-affected
bullseye
not-affected
thunderbird
bullseye
1:115.12.0-1~deb11u1
not-affected
bookworm
1:128.10.0esr-1~deb12u1
not-affected
bullseye (security)
1:128.11.0esr-1~deb11u1
fixed
bookworm (security)
1:128.10.1esr-1~deb12u1
fixed
trixie
1:128.10.0esr-1
fixed
sid
1:128.11.0esr-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
oracular
not-affected
noble
not-affected
jammy
not-affected
focal
Fixed 130.0+build2-0ubuntu0.20.04.1
released
mozjs102
oracular
dne
noble
ignored
jammy
ignored
focal
dne
mozjs115
oracular
ignored
noble
ignored
jammy
dne
focal
dne
mozjs38
oracular
dne
noble
dne
jammy
dne
focal
dne
bionic
ignored
mozjs52
oracular
dne
noble
dne
jammy
dne
focal
ignored
bionic
ignored
mozjs68
oracular
dne
noble
dne
jammy
dne
focal
ignored
mozjs78
oracular
dne
noble
dne
jammy
ignored
focal
dne
mozjs91
oracular
dne
noble
dne
jammy
ignored
focal
dne
thunderbird
oracular
not-affected
noble
not-affected
jammy
not-affected
focal
not-affected
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1911909
https://www.mozilla.org/security/advisories/mfsa2024-39/
https://www.mozilla.org/security/advisories/mfsa2024-40/
https://www.mozilla.org/security/advisories/mfsa2024-43/