以下是从网页截图中获取到的关键信息，以简洁的Markdown格式呈现： --- Mozilla Foundation Security Advisory 2026-13 Security Vulnerabilities fixed in Firefox 148 Announced: February 24, 2026 Impact: High Products: Firefox Fixed in: Firefox 148 Vulnerabilities 1. CVE-2026-2757: Incorrect boundary conditions in the WebRTC: Audio/Video component - Reporter: Igor Morgenstern - Impact: High - References: Bug 2001637 2. CVE-2026-2794: Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android - Reporter: steveij - Impact: High - References: Bug 2006365 3. CVE-2026-2758: Use-after-free in the JavaScript: GC component - Reporter: Gary Kwong - Impact: High - References: Bug 2009608 ... (NOTE: The list continues with similar entries for other CVEs) 4. CVE-2026-2805: Incorrect boundary conditions in the Audio/Video: Playback component - Reporter: Information to follow - Impact: High - References: Bug 2012575 5. CVE-2026-2806: Uninitialized memory in the Graphics: Text component - Reporter: Zijie Zhao - Impact: Low - References: Bug 2006199 ... (NOTE: The list continues with similar entries for other CVEs) Memory Safety Bugs CVE-2026-2807: Memory safety bugs fixed in Firefox 148 and Thunderbird 148 - Impact: High - Description: Memory safety bugs present in Firefox 147 and Thunderbird 147. 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. CVE-2026-2808: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148, and Thunderbird 148 - Impact: High - Description: Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147, and Thunderbird 147. 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. CVE-2026-2809: Memory safety bugs fixed in Firefox ESR 115.3.3, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148, and Thunderbird 148 - Impact: High - Description: Memory safety bugs present in Firefox ESR 115.3.2, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147, and Thunderbird 147. 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 markdown captures the main vulnerabilities, their impact levels, the affected components, and the associated bugs for each CVE listed in the advisory.