Type Confusion in Async Generators in Javascript Engine
Published Sep 6, 2024
8.6
HIGHCVSS 3.1
EPSS 0.66%
Description
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.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<128
- Version
-
- Version unspecifiedStatusaffectedConstraints<115.13
- Version
-
- Version unspecifiedStatusaffectedConstraints<115.13
- Version unspecifiedStatusaffectedConstraints<128
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | n/a |
| |||||||||
| Mozilla | Firefox ESR | n/a |
| |||||||||
| Mozilla | Thunderbird | n/a |
|
- < 115.13.0
- < 128.0
- < 115.13.0
- ≥ 116.0 · < 128.0
-
- Version 0StatusaffectedConstraints<128
- Version
-
- Version 0StatusaffectedConstraints<115.13
- Version
-
- Version 0StatusaffectedConstraints<115.13
- Version 0StatusaffectedConstraints<128
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | n/a |
| |||||||||
| Mozilla | Firefox Esr | n/a |
| |||||||||
| Mozilla | Thunderbird | n/a |
|
Red Hat Enterprise Linux 7 Extended Lifecycle Support
firefox-0:128.2.0-1.el7_9
Fixed · RHSA-2024:6838
Red Hat Enterprise Linux 8
firefox-0:128.2.0-1.el8_10
Fixed · RHSA-2024:6682
Red Hat Enterprise Linux 8
thunderbird-0:128.2.0-1.el8_10
Fixed · RHSA-2024:6684
Red Hat Enterprise Linux 8.2 Advanced Update Support
firefox-0:128.2.0-1.el8_2
Fixed · RHSA-2024:6839
Red Hat Enterprise Linux 8.2 Advanced Update Support
thunderbird-0:128.2.0-1.el8_2
Fixed · RHSA-2024:6723
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
firefox-0:128.2.0-1.el8_4
Fixed · RHSA-2024:6891
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
thunderbird-0:128.2.0-1.el8_4
Fixed · RHSA-2024:6721
Red Hat Enterprise Linux 8.4 Telecommunications Update Service
firefox-0:128.2.0-1.el8_4
Fixed · RHSA-2024:6891
Red Hat Enterprise Linux 8.4 Telecommunications Update Service
thunderbird-0:128.2.0-1.el8_4
Fixed · RHSA-2024:6721
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
firefox-0:128.2.0-1.el8_4
Fixed · RHSA-2024:6891
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
thunderbird-0:128.2.0-1.el8_4
Fixed · RHSA-2024:6721
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
firefox-0:128.2.0-1.el8_6
Fixed · RHSA-2024:6892
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
firefox-0:128.2.0-1.el8_6
Fixed · RHSA-2024:6892
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
thunderbird-0:128.2.0-1.el8_6
Fixed · RHSA-2024:6816
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
firefox-0:128.2.0-1.el8_6
Fixed · RHSA-2024:6892
Red Hat Enterprise Linux 8.8 Extended Update Support
firefox-0:128.2.0-1.el8_8
Fixed · RHSA-2024:6850
Red Hat Enterprise Linux 8.8 Extended Update Support
thunderbird-0:128.2.0-1.el8_8
Fixed · RHSA-2024:6719
Red Hat Enterprise Linux 9
firefox-0:128.2.0-1.el9_4
Fixed · RHSA-2024:6681
Red Hat Enterprise Linux 9
thunderbird-0:128.2.0-1.el9_4
Fixed · RHSA-2024:6683
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
firefox-0:128.2.0-1.el9_0
Fixed · RHSA-2024:6782
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
thunderbird-0:128.2.0-1.el9_0
Fixed · RHSA-2024:6722
Red Hat Enterprise Linux 9.2 Extended Update Support
firefox-0:128.2.0-1.el9_2
Fixed · RHSA-2024:6786
Red Hat Enterprise Linux 9.2 Extended Update Support
thunderbird-0:128.2.0-1.el9_2
Fixed · RHSA-2024:6720
Red Hat Enterprise Linux 6
firefox
Out of support scope
Red Hat Enterprise Linux 6
thunderbird
Out of support scope
Red Hat Enterprise Linux 7
thunderbird
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | firefox-0:128.2.0-1.el7_9 | Fixed | RHSA-2024:6838 |
| Red Hat Enterprise Linux 8 | firefox-0:128.2.0-1.el8_10 | Fixed | RHSA-2024:6682 |
| Red Hat Enterprise Linux 8 | thunderbird-0:128.2.0-1.el8_10 | Fixed | RHSA-2024:6684 |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | firefox-0:128.2.0-1.el8_2 | Fixed | RHSA-2024:6839 |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | thunderbird-0:128.2.0-1.el8_2 | Fixed | RHSA-2024:6723 |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | firefox-0:128.2.0-1.el8_4 | Fixed | RHSA-2024:6891 |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | thunderbird-0:128.2.0-1.el8_4 | Fixed | RHSA-2024:6721 |
| Red Hat Enterprise Linux 8.4 Telecommunications Update Service | firefox-0:128.2.0-1.el8_4 | Fixed | RHSA-2024:6891 |
| Red Hat Enterprise Linux 8.4 Telecommunications Update Service | thunderbird-0:128.2.0-1.el8_4 | Fixed | RHSA-2024:6721 |
| Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | firefox-0:128.2.0-1.el8_4 | Fixed | RHSA-2024:6891 |
| Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | thunderbird-0:128.2.0-1.el8_4 | Fixed | RHSA-2024:6721 |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | firefox-0:128.2.0-1.el8_6 | Fixed | RHSA-2024:6892 |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | firefox-0:128.2.0-1.el8_6 | Fixed | RHSA-2024:6892 |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | thunderbird-0:128.2.0-1.el8_6 | Fixed | RHSA-2024:6816 |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | firefox-0:128.2.0-1.el8_6 | Fixed | RHSA-2024:6892 |
| Red Hat Enterprise Linux 8.8 Extended Update Support | firefox-0:128.2.0-1.el8_8 | Fixed | RHSA-2024:6850 |
| Red Hat Enterprise Linux 8.8 Extended Update Support | thunderbird-0:128.2.0-1.el8_8 | Fixed | RHSA-2024:6719 |
| Red Hat Enterprise Linux 9 | firefox-0:128.2.0-1.el9_4 | Fixed | RHSA-2024:6681 |
| Red Hat Enterprise Linux 9 | thunderbird-0:128.2.0-1.el9_4 | Fixed | RHSA-2024:6683 |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | firefox-0:128.2.0-1.el9_0 | Fixed | RHSA-2024:6782 |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | thunderbird-0:128.2.0-1.el9_0 | Fixed | RHSA-2024:6722 |
| Red Hat Enterprise Linux 9.2 Extended Update Support | firefox-0:128.2.0-1.el9_2 | Fixed | RHSA-2024:6786 |
| Red Hat Enterprise Linux 9.2 Extended Update Support | thunderbird-0:128.2.0-1.el9_2 | Fixed | RHSA-2024:6720 |
| Red Hat Enterprise Linux 6 | firefox | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Red Hat mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Sep 6, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
Score over time
2024-2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (5 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.66% (0.00656) | 49.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.66% (0.00656) | 46.35th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00429) | 60.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 12.15th | v3 (v2023.03.01) |
| Sep 7, 2024 | 0.04% (0.00044) | 10.87th | v3 (v2023.03.01) |
References (10)
- https://access.redhat.com/security/cve/CVE-2024-7652 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1901411 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=2310490 Issue Tracking
- https://github.com/tc39/ecma262/security/advisories/GHSA-g38c-wh3c-5h9r Third Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2024-7652
- https://www.cve.org/CVERecord?id=CVE-2024-7652
- 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
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2024-7652 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1901411 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2310490 | Issue Tracking | |
| https://github.com/tc39/ecma262/security/advisories/GHSA-g38c-wh3c-5h9r | Third Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2024-7652 | ||
| https://www.cve.org/CVERecord?id=CVE-2024-7652 | ||
| 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 |
Change history (0)
No recorded changes yet.