Memory corruption in Mozilla Firefox
Priority LOW 39CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 18 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00854 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Firefox (Mozilla): 125Firefox ESR (Mozilla): 115.10+1 more productRed Hat: 18 advisoriesRed Hat: 18 fixed, 1 without a fix
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 125 | 125 | Patch available | CNA |
| Mozilla | Firefox ESR | before 115.10 | 115.10 | Patch available | CNA |
| Mozilla | Thunderbird | before 115.10 | 115.10 | Patch available | CNA |
- Firefox VendorMozilla Affected before 125 Fixed in 125 Patch available CNA
- Firefox ESR VendorMozilla Affected before 115.10 Fixed in 115.10 Patch available CNA
- Thunderbird VendorMozilla Affected before 115.10 Fixed in 115.10 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* | before 115.10.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* | before 125.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 115.10.0 | Vulnerable | Mozilla |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions before 115.10.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* Versions before 125.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 115.10.0 Vulnerable ·Mozilla
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 125
- Fix · CNA Firefox ESR (Mozilla) Fixed in 115.10
- Fix · CNA Thunderbird (Mozilla) Fixed in 115.10
Red Hat 18 advisories
- RHSA-2024:1982 Released 2024-04-23 · Red Hat rating Lowthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-115.10.0-2.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird-115.10.0-2.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird-115.10.0-2.el8_4
- RHSA-2024:1936 Released 2024-04-22 · Red Hat rating Lowthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.6) thunderbird-115.10.0-2.el8_6
- RHSA-2024:1939 Released 2024-04-22 · Red Hat rating Lowthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-115.10.0-2.el8_9
Show 15 more Red Hat advisories
- RHSA-2024:1941 Released 2024-04-22 · Red Hat rating Lowthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) thunderbird-115.10.0-2.el9_2
- RHSA-2024:1940 Released 2024-04-22 · Red Hat rating Lowthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 9) thunderbird-115.10.0-2.el9_3
- RHSA-2024:1935 Released 2024-04-22 · Red Hat rating Lowthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-115.10.0-2.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-115.10.0-2.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-115.10.0-2.el7_9
- RHSA-2024:1938 Released 2024-04-22 · Red Hat rating Lowthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.0) thunderbird-115.10.0-2.el9_0
- RHSA-2024:1937 Released 2024-04-22 · Red Hat rating Lowthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) thunderbird-115.10.0-2.el8_8
- RHSA-2024:1934 Released 2024-04-22 · Red Hat rating Lowthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-115.10.0-2.el8_2
- Red Hat Enterprise Linux AppStream E4S (v. 8.2) thunderbird-115.10.0-2.el8_2
- Red Hat Enterprise Linux AppStream TUS (v. 8.2) thunderbird-115.10.0-2.el8_2
- RHSA-2024:1910 Released 2024-04-18 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-115.10.0-1.el7_9
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-115.10.0-1.el7_9
- Red Hat Enterprise Linux Server (v. 7) firefox-115.10.0-1.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-115.10.0-1.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) firefox-115.10.0-1.el7_9
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-115.10.0-1.el7_9
- RHSA-2024:1912 Released 2024-04-18 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-115.10.0-1.el8_9
- RHSA-2024:1911 Released 2024-04-18 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-115.10.0-1.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox-115.10.0-1.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox-115.10.0-1.el8_4
- RHSA-2024:1909 Released 2024-04-18 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) firefox-115.10.0-1.el8_8
- RHSA-2024:1906 Released 2024-04-18 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.6) firefox-115.10.0-1.el8_6
- RHSA-2024:1908 Released 2024-04-18 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 9) firefox-115.10.0-1.el9_3, firefox-x11-115.10.0-1.el9_3
- RHSA-2024:1907 Released 2024-04-18 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.0) firefox-115.10.0-1.el9_0
- RHSA-2024:1905 Released 2024-04-18 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) firefox-115.10.0-1.el9_2, firefox-x11-115.10.0-1.el9_2
- RHSA-2024:1904 Released 2024-04-18 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-115.10.0-1.el8_2
- Red Hat Enterprise Linux AppStream E4S (v. 8.2) firefox-115.10.0-1.el8_2
- Red Hat Enterprise Linux AppStream TUS (v. 8.2) firefox-115.10.0-1.el8_2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 125
15 records Highest priority Priority MEDIUM 4 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2024-03605 Memory corruption in Mozilla FirefoxPriority MEDIUM 44
- TI-2024-03603 Unrestricted file upload in Mozilla FirefoxPriority MEDIUM 44
- TI-2024-03596 Use after free in Mozilla FirefoxPriority MEDIUM 41
- Release ·
Mozilla Firefox ESR, Thunderbird 115.10
8 records Highest priority Priority MEDIUM 1 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2024-03603 Unrestricted file upload in Mozilla FirefoxPriority MEDIUM 44
- TI-2024-03594 Out-of-bounds read in Mozilla FirefoxPriority LOW 39
- TI-2024-03597 Use after free in Mozilla FirefoxPriority LOW 36
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:1912, RHSA-2024:1939 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:1908, RHSA-2024:1940 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2024:1904, RHSA-2024:1934 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2024:1911, RHSA-2024:1982 |
| Red Hat Enterprise Linux AppStream E4S (v. 8.2) | Fixed | RHSA-2024:1904, RHSA-2024:1934 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2024:1911, RHSA-2024:1982 |
| Red Hat Enterprise Linux AppStream EUS (v.8.6) | Fixed | RHSA-2024:1906, RHSA-2024:1936 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:1909, RHSA-2024:1937 |
| Red Hat Enterprise Linux AppStream EUS (v.9.0) | Fixed | RHSA-2024:1907, RHSA-2024:1938 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:1905, RHSA-2024:1941 |
| Red Hat Enterprise Linux AppStream TUS (v. 8.2) | Fixed | RHSA-2024:1904, RHSA-2024:1934 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2024:1911, RHSA-2024:1982 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2024:1910, RHSA-2024:1935 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2024:1910 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2024:1910 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2024:1910, RHSA-2024:1935 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2024:1910, RHSA-2024:1935 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2024:1910 |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-3864
- 2026-10-03 Alias added: GHSA-w74w-xq97-pg62
References
Advisory 3
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-2024-3864 · CVE Program
- CVE-2024-3864 · NVD
- FIRST EPSS
- GHSA-w74w-xq97-pg62 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-3864 · 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