Paper/Archive/CVE-2022-45406

CVE-2022-45406

Mozilla Firefox ESR — If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived…

EPSS 1%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD, ADP agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 64.9.649 × 2013.0 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Affected

ProductAffectedFixed inSource

Firefox ESRunspecified – < 102.5102.5CNA

Thunderbirdunspecified – < 102.5102.5CNA

Firefoxunspecified – < 107107CNA

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

refmozilla.org/security/advisories/mfsa2022-47 refmozilla.org/security/advisories/mfsa2022-49 refmozilla.org/security/advisories/mfsa2022-48 refbugzilla.mozilla.org/show_bug.cgi?id=1791975