Msrc Azl3 Qtbase 6.6.3-4 On Azure Linux 3.0 vulnerabilities

CVE-2026-23865 [MEDIUM] CWE-125 An integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tab An integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. This issue is fixed in version 2.14

CVE-2026-22693 [MEDIUM] CWE-476 Null Pointer Dereference in SubtableUnicodesCache::create leading to DoS Null Pointer Dereference in SubtableUnicodesCache::create leading to DoS Mariner: Mariner GitHub_M: GitHub_M Customer Action Required: Yes Remediation: CBL-Mariner Releases Reference: https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade

CVE-2025-66293 [HIGH] CWE-125 LIBPNG has an out-of-bounds read in png_image_read_composite LIBPNG has an out-of-bounds read in png_image_read_composite Mariner: Mariner GitHub_M: GitHub_M Customer Action Required: Yes Remediation: CBL-Mariner Releases Reference: https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade

CVE-2025-64720 [HIGH] CWE-125 LIBPNG is vulnerable to a buffer overflow in `png_image_read_composite` via incorrect palette premultiplication LIBPNG is vulnerable to a buffer overflow in `png_image_read_composite` via incorrect palette premultiplication Mariner: Mariner GitHub_M: GitHub_M Customer Action Required: Yes Remediation: CBL-Mariner Releases Reference: https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade

CVE-2025-65018 [HIGH] CWE-787 LIBPNG is vulnerable to a heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read` LIBPNG is vulnerable to a heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read` Mariner: Mariner GitHub_M: GitHub_M Customer Action Required: Yes Remediation: CBL-Mariner Releases Reference: https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade

CVE-2025-64505 [MEDIUM] CWE-125 LIBPNG is vulnerable to a heap buffer overflow in `png_do_quantize` via malformed palette index LIBPNG is vulnerable to a heap buffer overflow in `png_do_quantize` via malformed palette index Mariner: Mariner GitHub_M: GitHub_M Customer Action Required: Yes Remediation: CBL-Mariner Releases Reference: https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade

CVE-2025-64506 [MEDIUM] CWE-125 LIBPNG is vulnerable to a heap buffer over-read in `png_write_image_8bit` with grayscale+alpha or RGB/RGBA images LIBPNG is vulnerable to a heap buffer over-read in `png_write_image_8bit` with grayscale+alpha or RGB/RGBA images Mariner: Mariner GitHub_M: GitHub_M Customer Action Required: Yes Remediation: CBL-Mariner Releases Reference: https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade

CVE-2025-5455 [HIGH] CWE-20 Possible denial of service when passing malformed data in a URL to qDecodeDataUrl Possible denial of service when passing malformed data in a URL to qDecodeDataUrl FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure