Security Vulnerabilities fixed in Firefox 157 — Mozilla

Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-100756: Incorrect boundary conditions in the Audio/Video: Playback component Reporter...

CVE-2026-100763: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...

CVE-2026-100756: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100756: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100781: Improper Restriction of Operations within the Bounds of a Memory Buffer

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

PT-2026-102530

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 115.42 Firefox ESR versions prior to 140.17 Firefox ESR versions prior to 153.4 Thunderbird versions prior to 157 Description Incorrect boundary conditions exist within the Audio/Vide...

PT-2026-102588

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 153.4 Thunderbird versions prior to 157 Description Incorrect boundary conditions exist within the JIT Just-In-Time component of the JavaScript Engine. JIT is a method of improving...

ROS-20260929-73-0133

The vulnerability of the ibmpexhighlowstore function in the drivers/hwmon/ibmpex.c module of the Linux kernel is related to synchronization errors when using shared resources „Race Conditions“. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2026-101099

A vulnerability was detected in ag-ui-protocol ag-ui up to 2026-09-23. This affects an unknown part of the file SseParser.kt of the component Kotlin Community SDK. Performing a manipulation results in handling of exceptional conditions. The attack may be initiated remotely. The pull request to fi...

EUVD-2026-88369

A vulnerability was detected in ag-ui-protocol ag-ui up to 2026-09-23. This affects an unknown part of the file SseParser.kt of the component Kotlin Community SDK. Performing a manipulation results in handling of exceptional conditions. The attack may be initiated remotely. The pull request to fi...

CVE-2026-101099 ag-ui-protocol ag-ui Kotlin Community SDK SseParser.kt exceptional condition

A vulnerability was detected in ag-ui-protocol ag-ui up to 2026-09-23. This affects an unknown part of the file SseParser.kt of the component Kotlin Community SDK. Performing a manipulation results in handling of exceptional conditions. The attack may be initiated remotely. The pull request to fi...

CVE-2026-101099 ag-ui-protocol ag-ui Kotlin Community SDK SseParser.kt exceptional condition

A vulnerability was detected in ag-ui-protocol ag-ui up to 2026-09-23. This affects an unknown part of the file SseParser.kt of the component Kotlin Community SDK. Performing a manipulation results in handling of exceptional conditions. The attack may be initiated remotely. The pull request to fi...

DEBIAN-CVE-2026-101017

A vulnerability was found in Trusted Domain Project OpenDMARC up to 1.4.2. This vulnerability affects the function strcasecmp in the library libopendmarc/opendmarcpolicy.c. The manipulation results in handling of exceptional conditions. The attack can be executed remotely. The exploit has been ma...

CVE-2026-101017

A vulnerability was found in Trusted Domain Project OpenDMARC up to 1.4.2. This vulnerability affects the function strcasecmp in the library libopendmarc/opendmarcpolicy.c. The manipulation results in handling of exceptional conditions. The attack can be executed remotely. The exploit has been ma...

CVE-2026-101017

A vulnerability was found in Trusted Domain Project OpenDMARC up to 1.4.2. This vulnerability affects the function strcasecmp in the library libopendmarc/opendmarcpolicy.c. The manipulation results in handling of exceptional conditions. The attack can be executed remotely. The exploit has been ma...

CVE-2026-101017

A vulnerability exists in Trusted Domain Project OpenDMARC versions up to 1.4.2 . The flaw resides in the strcasecmp function within the libopendmarc/opendmarc_policy.c library, where manipulation leads to the handling of exceptional conditions . This vulnerability can be exploited remotely . Pub...

EUVD-2026-88180

A vulnerability was found in Trusted Domain Project OpenDMARC up to 1.4.2. This vulnerability affects the function strcasecmp in the library libopendmarc/opendmarcpolicy.c. The manipulation results in handling of exceptional conditions. The attack can be executed remotely. The exploit has been ma...

CVE-2026-101017 Trusted Domain Project OpenDMARC opendmarc_policy.c strcasecmp exceptional condition

A vulnerability was found in Trusted Domain Project OpenDMARC up to 1.4.2. This vulnerability affects the function strcasecmp in the library libopendmarc/opendmarcpolicy.c. The manipulation results in handling of exceptional conditions. The attack can be executed remotely. The exploit has been ma...

ROS-20260928-73-0064

The vulnerability of the mptcpschedulework function in the net/mptcp/protocol.c module of the MPTCP protocol implementation in the Linux operating system is related to synchronization errors when using shared resources „Race Conditions“. Exploiting this vulnerability can allow a malicious actor t...

CVE-2026-101017: Improper Handling of Exceptional Conditions

A vulnerability was found in Trusted Domain Project OpenDMARC up to 1.4.2. This vulnerability affects the function strcasecmp in the library libopendmarc/opendmarcpolicy.c. The manipulation results in handling of exceptional conditions. The attack can be executed remotely. The exploit has been ma...