Out-of-bounds read in Mozilla Firefox
Priority LOW 39CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 15 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
An attacker who compromised a content process could have partially escaped the sandbox to read arbitrary files via clipboard-related IPC messages.<br>*This bug only affects Thunderbird for Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 108, Firefox ESR < 102.6, and Thunderbird < 102.6.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00823 57th percentileScored 2026-11-07
Fix Partial Firefox (Mozilla): 108Firefox ESR (Mozilla): 102.6+1 more productRed Hat: 16 advisoriesRed Hat: 15 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 108 | 108 | Patch available | CNA |
| Mozilla | Firefox ESR | before 102.6 | 102.6 | Patch available | CNA |
| Mozilla | Thunderbird | before 102.6 | 102.6 | Patch available | CNA |
- Firefox VendorMozilla Affected before 108 Fixed in 108 Patch available CNA
- Firefox ESR VendorMozilla Affected before 102.6 Fixed in 102.6 Patch available CNA
- Thunderbird VendorMozilla Affected before 102.6 Fixed in 102.6 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 108.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | before 102.6 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 102.6 | Vulnerable | Mozilla |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 108.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 102.6 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 102.6 Vulnerable ·Mozilla
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 108
- Fix · CNA Firefox ESR (Mozilla) Fixed in 102.6
- Fix · CNA Thunderbird (Mozilla) Fixed in 102.6
Red Hat 16 advisories
- RHSA-2022:9079 Released 2022-12-15 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-102.6.0-2.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-102.6.0-2.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-102.6.0-2.el7_9
- RHSA-2022:9074 Released 2022-12-15 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-102.6.0-2.el8_7
- RHSA-2022:9081 Released 2022-12-15 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.0) thunderbird-102.6.0-2.el9_0
Show 13 more Red Hat advisories
- RHSA-2022:9078 Released 2022-12-15 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.6) thunderbird-102.6.0-2.el8_6
- RHSA-2022:9080 Released 2022-12-15 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 9) thunderbird-102.6.0-2.el9_1
- RHSA-2022:9072 Released 2022-12-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-102.6.0-1.el7_9
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-102.6.0-1.el7_9
- Red Hat Enterprise Linux Server (v. 7) firefox-102.6.0-1.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-102.6.0-1.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) firefox-102.6.0-1.el7_9
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-102.6.0-1.el7_9
- RHSA-2022:9076 Released 2022-12-15 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-102.6.0-2.el8_2
- Red Hat Enterprise Linux AppStream E4S (v. 8.2) thunderbird-102.6.0-2.el8_2
- Red Hat Enterprise Linux AppStream TUS (v. 8.2) thunderbird-102.6.0-2.el8_2
- RHSA-2022:9075 Released 2022-12-15 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.4) thunderbird-102.6.0-2.el8_4
- RHSA-2022:9077 Released 2022-12-15 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v. 8.1) thunderbird-102.6.0-2.el8_1
- RHSA-2022:9069 Released 2022-12-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.4) firefox-102.6.0-1.el8_4
- RHSA-2022:9070 Released 2022-12-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-102.6.0-1.el8_2
- Red Hat Enterprise Linux AppStream E4S (v. 8.2) firefox-102.6.0-1.el8_2
- Red Hat Enterprise Linux AppStream TUS (v. 8.2) firefox-102.6.0-1.el8_2
- RHSA-2022:9071 Released 2022-12-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream E4S (v. 8.1) firefox-102.6.0-1.el8_1
- RHSA-2022:9068 Released 2022-12-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.6) firefox-102.6.0-1.el8_6
- RHSA-2022:9067 Released 2022-12-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-102.6.0-1.el8_7
- RHSA-2022:9066 Released 2022-12-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.0) firefox-102.6.0-1.el9_0
- RHSA-2022:9065 Released 2022-12-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 9) firefox-102.6.0-1.el9_1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — GLSA-202305-06
11 records Highest priority Priority MEDIUM 7 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2022-23225 Use after free in Mozilla FirefoxPriority MEDIUM 51
- TI-2022-23218 Code injection in Mozilla FirefoxPriority MEDIUM 42
- TI-2022-23215 An out of date library (libusrsctp) contained vulnerabilities that could potentially be…Priority MEDIUM 42
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — GLSA-202305-13
9 records Highest priority Priority MEDIUM 5 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2022-23225 Use after free in Mozilla FirefoxPriority MEDIUM 51
- TI-2022-23218 Code injection in Mozilla FirefoxPriority MEDIUM 42
- TI-2022-23215 An out of date library (libusrsctp) contained vulnerabilities that could potentially be…Priority MEDIUM 42
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-2022:9067, RHSA-2022:9074 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2022:9065, RHSA-2022:9080 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2022:9070, RHSA-2022:9076 |
| Red Hat Enterprise Linux AppStream E4S (v. 8.1) | Fixed | RHSA-2022:9071, RHSA-2022:9077 |
| Red Hat Enterprise Linux AppStream E4S (v. 8.2) | Fixed | RHSA-2022:9070, RHSA-2022:9076 |
| Red Hat Enterprise Linux AppStream EUS (v.8.4) | Fixed | RHSA-2022:9069, RHSA-2022:9075 |
| Red Hat Enterprise Linux AppStream EUS (v.8.6) | Fixed | RHSA-2022:9068, RHSA-2022:9078 |
| Red Hat Enterprise Linux AppStream EUS (v.9.0) | Fixed | RHSA-2022:9066, RHSA-2022:9081 |
| Red Hat Enterprise Linux AppStream TUS (v. 8.2) | Fixed | RHSA-2022:9070, RHSA-2022:9076 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2022:9072, RHSA-2022:9079 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2022:9072 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2022:9072 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2022:9072, RHSA-2022:9079 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2022:9072, RHSA-2022:9079 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2022:9072 |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-46872
- 2026-10-03 Alias added: GHSA-w696-j5x3-hhvj
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-2022-46872 · CVE Program
- CVE-2022-46872 · NVD
- FIRST EPSS
- GHSA-w696-j5x3-hhvj · GitHub Advisory Database · CC BY 4.0
- CVE-2022-46872 · 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