Use after free in Mozilla Firefox
Priority LOW 36CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- 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-416 and the CVSS impact.
Summary
The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. 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 0.00245 15th percentileScored 2026-11-07
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 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 125.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 115.10 | 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 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 125.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 115.10 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-2024-03604 Memory corruption in Mozilla FirefoxPriority LOW 39
- TI-2024-03594 Out-of-bounds read in Mozilla FirefoxPriority LOW 39
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-2024-3857
- 2026-10-03 Alias added: GHSA-8564-m639-jh8r
References
Advisory 5
- https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
- https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
- https://www.mozilla.org/security/advisories/mfsa2024-18/
- https://www.mozilla.org/security/advisories/mfsa2024-19/
- https://www.mozilla.org/security/advisories/mfsa2024-20/
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-2024-3857 · CVE Program
- CVE-2024-3857 · NVD
- FIRST EPSS
- GHSA-8564-m639-jh8r · GitHub Advisory Database · CC BY 4.0
- CVE-2024-3857 · 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