Home/CVE/An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially
CVE

CVE-2024-7652

An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially

An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.

HIGH · CVSS 7.5 EPSS 0.00277
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
▤

Affected Products & Versions

4
mozilla firefox< 115.13.0
mozilla firefox< 128.0
mozilla thunderbird< 115.13.0
mozilla thunderbird>= 116.0 and < 128.0
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Sep 2024 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

18
rhsaRHSA-2024:6892Important
rhsaRHSA-2024:6683Important
rhsaRHSA-2024:6782Important
rhsaRHSA-2024:6682Important
rhsaRHSA-2024:6891Important
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.mozilla.org/show_bug.cgi?id=1901411Issue Tracking
https://github.com/tc39/ecma262/security/advisories/GHSA-g38c-wh3c-5h9rThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-29/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-30/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-31/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-32/Vendor Advisory
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