CVE-2026-6753
7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Summary
Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Firefox | 140.10 <= 140.* | unaffected |
| Mozilla | Firefox | 150 <= * | unaffected |
| Mozilla | Thunderbird | 140.10 <= 140.* | unaffected |
| Mozilla | Thunderbird | 150 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
firefox: thunderbird: Incorrect boundary conditions in the WebRTC component
Additional References
- https://access.redhat.com/security/cve/CVE-2026-6753
- https://bugzilla.redhat.com/show_bug.cgi?id=2460092
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6753.json
- https://access.redhat.com/errata/RHSA-2026:19704
- https://access.redhat.com/errata/RHSA-2026:17690
- https://access.redhat.com/errata/RHSA-2026:19463
- https://access.redhat.com/errata/RHSA-2026:10767
- https://access.redhat.com/errata/RHSA-2026:12285
- https://access.redhat.com/errata/RHSA-2026:19041
- https://access.redhat.com/errata/RHSA-2026:19131
- https://access.redhat.com/errata/RHSA-2026:10766
- https://access.redhat.com/errata/RHSA-2026:13537
- https://access.redhat.com/errata/RHSA-2026:19655
- https://access.redhat.com/errata/RHSA-2026:19465
- https://access.redhat.com/errata/RHSA-2026:19542
- https://access.redhat.com/errata/RHSA-2026:19466
- https://access.redhat.com/errata/RHSA-2026:17477
- https://access.redhat.com/errata/RHSA-2026:19467
- https://access.redhat.com/errata/RHSA-2026:17687
- https://access.redhat.com/errata/RHSA-2026:19468
- https://access.redhat.com/errata/RHSA-2026:17689
- https://access.redhat.com/errata/RHSA-2026:19461
- https://access.redhat.com/errata/RHSA-2026:19464
- https://access.redhat.com/errata/RHSA-2026:19469
- https://access.redhat.com/errata/RHSA-2026:17688
- https://access.redhat.com/errata/RHSA-2026:19462
- https://access.redhat.com/errata/RHSA-2026:10757
- https://access.redhat.com/errata/RHSA-2026:15892
- https://access.redhat.com/errata/RHSA-2026:19201
- https://access.redhat.com/errata/RHSA-2026:19348
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2027501
- https://www.mozilla.org/security/advisories/mfsa2026-30/
- https://www.mozilla.org/security/advisories/mfsa2026-32/
- https://www.mozilla.org/security/advisories/mfsa2026-33/
- https://www.mozilla.org/security/advisories/mfsa2026-34/
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