CVE-2026-4700
EUVD-2026-1481724.03.2026, 13:16
Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox_esr | 𝑥 < 140.9.0 |
| mozilla | firefox | 𝑥 < 149.0 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | 0:140.9.0-1.el10_1 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10 | 0:140.9.0-1.el10_1 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | 0:140.9.0-1.el10_0 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | 0:140.9.0-1.el10_0 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | 0:140.9.0-1.el7_9 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8 | 0:140.9.0-1.el8_10 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8 | 0:140.9.0-1.el8_10 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:140.9.0-1.el8_2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:140.9.0-1.el8_2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:140.9.0-1.el8_4 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:140.9.0-1.el8_4 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 0:140.9.0-1.el8_4 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 0:140.9.0-1.el8_4 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:140.9.0-1.el8_6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:140.9.0-1.el8_6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | 0:140.9.0-1.el8_6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | 0:140.9.0-1.el8_6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | 0:140.9.0-1.el8_6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | 0:140.9.0-1.el8_6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:140.9.0-1.el8_8 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:140.9.0-1.el8_8 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:140.9.0-1.el8_8 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:140.9.0-1.el8_8 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9 | 0:140.9.0-1.el9_7 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9 | 0:140.9.0-1.el9_7 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | 0:140.9.0-1.el9_0 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | 0:140.9.0-1.el9_0 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:140.9.0-1.el9_2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:140.9.0-1.el9_2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:140.9.0-1.el9_4 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:140.9.0-1.el9_4 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | 0:140.9.0-1.el9_6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | 0:140.9.0-1.el9_6 ≤ 𝑥 < * | ADP |
Debian Releases
Debian Product | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||||||
| firefox-esr |
| ||||||||||||||||
| thunderbird |
|
Ubuntu Releases
Ubuntu Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||
| mozjs102 |
| ||||||||||||
| mozjs115 |
| ||||||||||||
| mozjs38 |
| ||||||||||||
| mozjs52 |
| ||||||||||||
| mozjs68 |
| ||||||||||||
| mozjs78 |
| ||||||||||||
| mozjs91 |
| ||||||||||||
| thunderbird |
|
openSUSE / SLES Releases
openSUSE Product | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MozillaFirefox |
| ||||||||||||||||||||||
| MozillaFirefox-devel |
| ||||||||||||||||||||||
| MozillaFirefox-translations-common |
| ||||||||||||||||||||||
| MozillaFirefox-translations-other |
| ||||||||||||||||||||||
| MozillaThunderbird |
| ||||||||||||||||||||||
| MozillaThunderbird-translations-common |
| ||||||||||||||||||||||
| MozillaThunderbird-translations-other |
|
Red Hat Enterprise Linux Releases
Amazon Linux Releases
Common Weakness Enumeration
- CWE-288 - Authentication Bypass Using an Alternate Path or ChannelA product requires authentication, but the product has an alternate path or channel that does not require authentication.
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.
References