Paper/Archive/CVE-2024-8385

CVE-2024-8385

Mozilla Firefox — A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability.

EPSS 0.6%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP, NVD agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 47.5.475 × 209.5 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Firefoxunspecified – < 130130CNA

Firefox ESRunspecified – < 128.2128.2CNA

Thunderbirdunspecified – < 128.2128.2CNA

firefox< 130130CISA-ADP

firefox_esr< 128.2128.2CISA-ADP

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=1911909 refmozilla.org/security/advisories/mfsa2024-39 refmozilla.org/security/advisories/mfsa2024-40 refmozilla.org/security/advisories/mfsa2024-43