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 bugs present in Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7. 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 < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00866 58th percentileScored 2026-11-07
Fix Partial Firefox (Mozilla): 123Firefox ESR (Mozilla): 115.8+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 123 | 123 | Patch available | CNA |
| Mozilla | Firefox ESR | before 115.8 | 115.8 | Patch available | CNA |
| Mozilla | Thunderbird | before 115.8 | 115.8 | Patch available | CNA |
- Firefox VendorMozilla Affected before 123 Fixed in 123 Patch available CNA
- Firefox ESR VendorMozilla Affected before 115.8 Fixed in 115.8 Patch available CNA
- Thunderbird VendorMozilla Affected before 115.8 Fixed in 115.8 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* | before 115.8.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* | before 123.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 115.8.0 | Vulnerable | Mozilla |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions before 115.8.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* Versions before 123.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 115.8.0 Vulnerable ·Mozilla
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 123
- Fix · CNA Firefox ESR (Mozilla) Fixed in 115.8
- Fix · CNA Thunderbird (Mozilla) Fixed in 115.8
Red Hat 18 advisories
- RHSA-2024:0983 Released 2024-02-26 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) firefox-115.8.0-1.el9_2, firefox-x11-115.8.0-1.el9_2
- RHSA-2024:0984 Released 2024-02-26 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) thunderbird-115.8.0-1.el9_2
- RHSA-2024:0976 Released 2024-02-26 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-115.8.0-1.el7_9
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-115.8.0-1.el7_9
- Red Hat Enterprise Linux Server (v. 7) firefox-115.8.0-1.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-115.8.0-1.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) firefox-115.8.0-1.el7_9
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-115.8.0-1.el7_9
Show 15 more Red Hat advisories
- RHSA-2024:0968 Released 2024-02-26 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.0) firefox-115.8.0-1.el9_0
- RHSA-2024:0964 Released 2024-02-26 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-115.8.0-1.el8_9
- RHSA-2024:0970 Released 2024-02-26 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.6) firefox-115.8.0-1.el8_6
- RHSA-2024:0961 Released 2024-02-26 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) thunderbird-115.8.0-1.el8_8
- RHSA-2024:0969 Released 2024-02-26 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) firefox-115.8.0-1.el8_8
- RHSA-2024:0960 Released 2024-02-26 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.6) thunderbird-115.8.0-1.el8_6
- RHSA-2024:0962 Released 2024-02-26 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.0) thunderbird-115.8.0-1.el9_0
- RHSA-2024:0971 Released 2024-02-26 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-115.8.0-1.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox-115.8.0-1.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox-115.8.0-1.el8_4
- RHSA-2024:0972 Released 2024-02-26 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-115.8.0-1.el8_2
- Red Hat Enterprise Linux AppStream E4S (v. 8.2) firefox-115.8.0-1.el8_2
- Red Hat Enterprise Linux AppStream TUS (v. 8.2) firefox-115.8.0-1.el8_2
- RHSA-2024:0963 Released 2024-02-26 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 9) thunderbird-115.8.0-1.el9_3
- RHSA-2024:0957 Released 2024-02-26 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-115.8.0-1.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-115.8.0-1.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-115.8.0-1.el7_9
- RHSA-2024:0959 Released 2024-02-26 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-115.8.0-1.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird-115.8.0-1.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird-115.8.0-1.el8_4
- RHSA-2024:0958 Released 2024-02-26 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-115.8.0-1.el8_2
- Red Hat Enterprise Linux AppStream E4S (v. 8.2) thunderbird-115.8.0-1.el8_2
- Red Hat Enterprise Linux AppStream TUS (v. 8.2) thunderbird-115.8.0-1.el8_2
- RHSA-2024:0955 Released 2024-02-26 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-115.8.0-1.el8_9
- RHSA-2024:0952 Released 2024-02-22 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 9) firefox-115.8.0-1.el9_3, firefox-x11-115.8.0-1.el9_3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 123
12 records Highest priority Priority MEDIUM 1 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2024-01450 Insufficient verification of data authenticity in Mozilla FirefoxPriority MEDIUM 49
- TI-2024-01453 Out-of-bounds write in Mozilla FirefoxPriority LOW 38
- TI-2024-01451 Authentication bypass by spoofing in Mozilla FirefoxPriority LOW 37
- Release ·
Mozilla Firefox ESR, Thunderbird 115.8
8 records Highest priority Priority LOW 8 LOW
Other records, highest priority first
- TI-2024-01442 Out-of-bounds read in Mozilla FirefoxPriority LOW 36
- TI-2024-01448 Incorrect numeric conversion in Mozilla FirefoxPriority LOW 34
- TI-2024-01443 Authentication bypass by spoofing in Mozilla FirefoxPriority LOW 30
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-2024:0955, RHSA-2024:0964 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:0952, RHSA-2024:0963 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2024:0958, RHSA-2024:0972 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2024:0959, RHSA-2024:0971 |
| Red Hat Enterprise Linux AppStream E4S (v. 8.2) | Fixed | RHSA-2024:0958, RHSA-2024:0972 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2024:0959, RHSA-2024:0971 |
| Red Hat Enterprise Linux AppStream EUS (v.8.6) | Fixed | RHSA-2024:0960, RHSA-2024:0970 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:0961, RHSA-2024:0969 |
| Red Hat Enterprise Linux AppStream EUS (v.9.0) | Fixed | RHSA-2024:0962, RHSA-2024:0968 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:0983, RHSA-2024:0984 |
| Red Hat Enterprise Linux AppStream TUS (v. 8.2) | Fixed | RHSA-2024:0958, RHSA-2024:0972 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2024:0959, RHSA-2024:0971 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2024:0957, RHSA-2024:0976 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2024:0976 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2024:0976 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2024:0957, RHSA-2024:0976 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2024:0957, RHSA-2024:0976 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2024:0976 |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-1553
- 2026-10-03 Alias added: GHSA-62vc-2f72-vcj3
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-2024-1553 · CVE Program
- CVE-2024-1553 · NVD
- FIRST EPSS
- GHSA-62vc-2f72-vcj3 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-1553 · 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