In some instances, the user-agent would allow push requests which lacked a valid VAPID…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In some instances, the user-agent would allow push requests which lacked a valid VAPID even though the push manager subscription defined one. This could allow empty messages to be sent from unauthorized parties. *This bug only affects Firefox on Android.* This vulnerability affects Firefox < 121.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mozilla | Firefox | before 121 | 121 | Patch available | CNA |
- Firefox VendorMozilla Affected before 121 Fixed in 121 Patch available CNA
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 121
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 121
18 records Highest priority Priority MEDIUM 8 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2023-06261 Out-of-bounds write in Mozilla Firefox ESRPriority MEDIUM 57
- TI-2023-06263 Out-of-bounds write in Mozilla Firefox ESRPriority MEDIUM 43
- TI-2023-06271 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 41
Timeline
- 2026-10-02 Threatist record created from CVE-2023-6868
- 2026-10-03 Alias added: GHSA-3xch-57qj-5x2p
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-2023-6868 · CVE Program
- CVE-2023-6868 · NVD
- FIRST EPSS
- GHSA-3xch-57qj-5x2p · GitHub Advisory Database · CC BY 4.0
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