Memory corruption in Mozilla Firefox
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Partial Red Hat: 13 fixed, 4 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
Memory safety bugs present in Firefox 130. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 131 and Thunderbird < 131.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mozilla | Firefox | before 131 | 131 | Patch available | CNA |
| Mozilla | Thunderbird | before 131 | 131 | Patch available | CNA |
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 131
- Fix · CNA Thunderbird (Mozilla) Fixed in 131
Red Hat 15 advisories
- RHSA-2024:8166 Released 2024-10-16 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) thunderbird-128.3.1-1.el8_8
- RHSA-2024:8169 Released 2024-10-16 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird-128.3.0-1.el8_6
- Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird-128.3.0-1.el8_6
- Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird-128.3.0-1.el8_6
- RHSA-2024:7854 Released 2024-10-09 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-128.3.0-1.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird-128.3.0-1.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird-128.3.0-1.el8_4
Show 12 more Red Hat advisories
- RHSA-2024:7856 Released 2024-10-09 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-128.3.0-1.el8_2
- RHSA-2024:7853 Released 2024-10-09 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) thunderbird-128.3.0-1.el9_2
- RHSA-2024:7855 Released 2024-10-09 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird-128.3.0-1.el9_0
- RHSA-2024:7842 Released 2024-10-09 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) firefox-128.3.0-1.el8_8
- RHSA-2024:7699 Released 2024-10-07 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-128.3.0-1.el8_10
- RHSA-2024:7704 Released 2024-10-07 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox-128.3.0-1.el8_6
- Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox-128.3.0-1.el8_6
- Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox-128.3.0-1.el8_6
- RHSA-2024:7702 Released 2024-10-07 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux Server (v. 7 ELS) firefox-128.3.0-1.el7_9
- RHSA-2024:7703 Released 2024-10-07 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-128.3.0-1.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox-128.3.0-1.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox-128.3.0-1.el8_4
- RHSA-2024:7646 Released 2024-10-03 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-128.3.0-1.el8_2
- RHSA-2024:7622 Released 2024-10-03 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) firefox-128.3.0-1.el9_2, firefox-x11-128.3.0-1.el9_2
- RHSA-2024:7621 Released 2024-10-03 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox-128.3.0-1.el9_0
- RHSA-2024:7552 Released 2024-10-02 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 9) thunderbird-128.3.0-1.el9_4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 131
13 records Highest priority Priority MEDIUM 5 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2024-08724 Memory corruption in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-08723 Memory corruption in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-08714 Origin validation error in Mozilla FirefoxPriority MEDIUM 50
- Release ·
Mozilla Thunderbird 131
11 records Highest priority Priority MEDIUM 5 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2024-08724 Memory corruption in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-08723 Memory corruption in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-08714 Origin validation error in Mozilla FirefoxPriority MEDIUM 50
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:7699 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:7552 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2024:7646, RHSA-2024:7856 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2024:7703, RHSA-2024:7854 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2024:7704, RHSA-2024:8169 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2024:7703, RHSA-2024:7854 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2024:7704, RHSA-2024:8169 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2024:7621, RHSA-2024:7855 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:7842, RHSA-2024:8166 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:7622, RHSA-2024:7853 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2024:7703, RHSA-2024:7854 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2024:7704, RHSA-2024:8169 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2024:7702 |
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-9403
- 2026-10-03 Alias added: GHSA-94mm-6r76-6pgh
References
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2024-9403 · CVE Program
- CVE-2024-9403 · NVD
- FIRST EPSS
- GHSA-94mm-6r76-6pgh · GitHub Advisory Database · CC BY 4.0
- CVE-2024-9403 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences