{"schemaVersion":3,"id":"SUSE-SU-2023:4928-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for MozillaFirefox\n\nThis update for MozillaFirefox fixes the following issues:\n\n- Firefox Extended Support Release 115.6.0 ESR changelog-entry (bsc#1217974).\n  * CVE-2023-6856: Heap-buffer-overflow affecting WebGL  DrawElementsInstanced method with Mesa VM driver (bmo#1843782).\n  * CVE-2023-6857: Symlinks may resolve to smaller than expected buffers (bmo#1796023).\n  * CVE-2023-6858: Heap buffer overflow in nsTextFragment (bmo#1826791).\n  * CVE-2023-6859: Use-after-free in PR_GetIdentitiesLayer (bmo#1840144).\n  * CVE-2023-6860: Potential sandbox escape due to VideoBridge lack of texture validation (bmo#1854669).\n  * CVE-2023-6861: Heap buffer overflow affected nsWindow::PickerOpen(void) in headless mode (bmo#1864118).\n  * CVE-2023-6862: Use-after-free in nsDNSService (bsc#1868042).\n  * CVE-2023-6863: Undefined behavior in ShutdownObserver() (bmo#1868901).\n  * CVE-2023-6864: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6.\n  * CVE-2023-6865: Potential exposure of uninitialized data in EncryptingOutputStream (bmo#1864123).\n  * CVE-2023-6867: Clickjacking permission prompts using the popup transition (bmo#1863863).\n\n\n- Fixed: Various security fixes and other quality improvements MFSA 2023-50 (bsc#1217230)\n  * CVE-2023-6204 (bmo#1841050)\n    Out-of-bound memory access in WebGL2 blitFramebuffer\n  * CVE-2023-6205 (bmo#1854076)\n    Use-after-free in MessagePort::Entangled\n  * CVE-2023-6206 (bmo#1857430)\n    Clickjacking permission prompts using the fullscreen\n    transition\n  * CVE-2023-6207 (bmo#1861344)\n    Use-after-free in ReadableByteStreamQueueEntry::Buffer\n  * CVE-2023-6208 (bmo#1855345)\n    Using Selection API would copy contents into X11 primary\n    selection.\n  * CVE-2023-6209 (bmo#1858570)\n    Incorrect parsing of relative URLs starting with '///'\n  * CVE-2023-6212 (bmo#1658432, bmo#1820983, bmo#1829252,\n    bmo#1856072, bmo#1856091, bmo#1859030, bmo#1860943,\n    bmo#1862782)\n    Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5,\n    and Thunderbird 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