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| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-16317 | 1 Aws | 1 S2n-tls | 2026-07-22 | 6.5 Medium |
| Missing validation of the outer content_type byte on TLS 1.3 encrypted records in s2n-tls allows an active man-in-the-middle to silently discard individual application data records without either endpoint detecting the modification. RFC 8446 Section 5.2 requires that the outer content_type of all encrypted TLS 1.3 records must be application_data (0x17). The s2n-tls AEAD implementation hardcodes this value in the additional authenticated data rather than using the actual wire byte, so the outer content_type is not covered by the authentication tag. This enables selective suppression of application data. In HTTP pipelining scenarios, dropping a TLS record containing an HTTP request can cause request/response desynchronization, where subsequent responses are delivered to the wrong requests. In write-heavy workloads, a dropped record containing a write request can result in undetectable data loss when the client interprets a subsequent success response as confirmation of the dropped write. All TLS 1.3 connections are affected. Both TLS clients and servers are affected. TLS 1.2 and QUIC connections are not affected. We recommend you upgrade s2n-tls to version v1.7.6 | ||||
| CVE-2026-16318 | 1 Amazon | 1 S2n-tls | 2026-07-22 | 5.3 Medium |
| The QUIC transport parameters extension handler in s2n-tls incorrectly uses s2n_alloc instead of s2n_realloc to store the peer's transport parameters. When a TLS 1.3 connection goes through a HelloRetryRequest, the handler is called twice on the same connection. On the second call, s2n_alloc zeroes the existing pointer before allocating new memory, causing the first allocation to be leaked. This can occur during normal QUIC traffic when a client offers a key share group the server does not prefer. An unauthenticated user can amplify the issue by deliberately forcing HelloRetryRequests, causing up to approximately 64 KB of unreachable memory per handshake. Over time, this can lead to increased memory consumption on long-running server processes. The unreachable memory is only reclaimed when the process is restarted. Only server-side QUIC-enabled deployments are affected. Non-QUIC TLS connections are not affected. We recommend you upgrade s2n-tls to version v1.7.6 | ||||
| CVE-2026-61225 | 1 Oracle | 1 Communications Converged Application Server | 2026-07-22 | 8.1 High |
| Vulnerability in the Oracle Communications Converged Application Server product of Oracle Communications (component: Core). Supported versions that are affected are 8.2 and 8.3. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP/IP to compromise Oracle Communications Converged Application Server. Successful attacks of this vulnerability can result in takeover of Oracle Communications Converged Application Server. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H). | ||||
| CVE-2026-16361 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.8 Critical |
| Memory safety bugs present in Thunderbird ESR 140.12. 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 was fixed in Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13. | ||||
| CVE-2026-16405 | 1 Mozilla | 1 Firefox | 2026-07-22 | 7.5 High |
| Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16359 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.1 Critical |
| Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16393 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.1 Critical |
| Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16391 | 1 Mozilla | 1 Firefox | 2026-07-22 | 7.5 High |
| Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16390 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.1 Critical |
| Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16387 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.8 Critical |
| Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16383 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.8 Critical |
| Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16381 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.1 Critical |
| Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16358 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.8 Critical |
| Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16377 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.8 Critical |
| Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16375 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.8 Critical |
| Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16374 | 1 Mozilla | 1 Firefox | 2026-07-22 | 7.5 High |
| Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16370 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.1 Critical |
| Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16357 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.8 Critical |
| Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16356 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.8 Critical |
| Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16355 | 1 Mozilla | 1 Firefox | 2026-07-22 | 9.8 Critical |
| JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||