# ALSA-2026:9686: Security update for 23 packages ALSA-2026:9686, released April 23, 2026, fixes 14 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/alsa-2026-9686 - Platform: Linux - Released: Apr 23, 2026 - Priority: High (Closes CVE-2026-33416, high severity) - CVEs: 14, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:9686 ## Applies to | Product | Release | Fixed in | |---|---|---| | [java-17-openjdk](https://patchblox.com/security/data/product/linux/java-17-openjdk.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk](https://patchblox.com/security/data/product/linux/java-17-openjdk.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-demo](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-demo](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-demo-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo-fastdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-demo-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo-fastdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-demo-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo-slowdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-demo-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo-slowdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-devel](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-devel](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-devel-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel-fastdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-devel-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel-fastdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-devel-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel-slowdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-devel-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel-slowdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-fastdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-fastdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-headless](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-headless](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-headless-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless-fastdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-headless-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless-fastdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-headless-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless-slowdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-headless-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless-slowdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-javadoc](https://patchblox.com/security/data/product/linux/java-17-openjdk-javadoc.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-javadoc](https://patchblox.com/security/data/product/linux/java-17-openjdk-javadoc.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-javadoc-zip](https://patchblox.com/security/data/product/linux/java-17-openjdk-javadoc-zip.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-javadoc-zip](https://patchblox.com/security/data/product/linux/java-17-openjdk-javadoc-zip.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-jmods](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-jmods](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-jmods-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods-fastdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-jmods-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods-fastdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-jmods-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods-slowdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-jmods-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods-slowdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-slowdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-slowdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-src](https://patchblox.com/security/data/product/linux/java-17-openjdk-src.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-src](https://patchblox.com/security/data/product/linux/java-17-openjdk-src.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-src-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-src-fastdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-src-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-src-fastdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-src-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-src-slowdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-src-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-src-slowdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-static-libs](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-static-libs](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-static-libs-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs-fastdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-static-libs-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs-fastdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | | [java-17-openjdk-static-libs-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs-slowdebug.md) | almalinux 8 | 1:17.0.19.0.10-1.el8 | | [java-17-openjdk-static-libs-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs-slowdebug.md) | almalinux 9 | 1:17.0.19.0.10-2.el9.alma.1 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2026-33416](https://patchblox.com/security/data/cve/CVE-2026-33416.md) | High | LIBPNG has use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE` | 8.8 | 0.0107 | | | [CVE-2026-33636](https://patchblox.com/security/data/cve/CVE-2026-33636.md) | High | LIBPNG has ARM NEON Palette Expansion Out-of-Bounds Read on AArch64 | 8.8 | 0.0075 | | | [CVE-2026-22016](https://patchblox.com/security/data/cve/CVE-2026-22016.md) | High | Java(TM) SE Development Kit 21 and 1 other: Exposure of Sensitive Information to an Unauthorized Actor | 7.6 | 0.0070 | | | [CVE-2026-26740](https://patchblox.com/security/data/cve/CVE-2026-26740.md) | High | java-17-openjdk: The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Develop... | 8.2 | 0.0066 | | | [CVE-2026-34282](https://patchblox.com/security/data/cve/CVE-2026-34282.md) | High | Java(TM) SE Development Kit 21 and 1 other: Uncontrolled Resource Consumption | 7.6 | 0.0064 | | | [CVE-2025-66293](https://patchblox.com/security/data/cve/CVE-2025-66293.md) | High | LIBPNG has an out-of-bounds read in png_image_read_composite | 7.1 | 0.0038 | | | [CVE-2026-22021](https://patchblox.com/security/data/cve/CVE-2026-22021.md) | High | Java(TM) SE Development Kit 21 and 1 other: Uncontrolled Resource Consumption | 7.6 | 0.0031 | | | [CVE-2026-22018](https://patchblox.com/security/data/cve/CVE-2026-22018.md) | High | Java(TM) SE Development Kit 21 and 1 other: Allocation of Resources Without Limits or Throttling | 7.6 | 0.0027 | | | [CVE-2026-22013](https://patchblox.com/security/data/cve/CVE-2026-22013.md) | High | Java(TM) SE Development Kit 21 and 1 other: Protection Mechanism Failure | 7.6 | 0.0026 | | | [CVE-2026-22695](https://patchblox.com/security/data/cve/CVE-2026-22695.md) | High | LIBPNG has a heap buffer over-read in png_image_read_direct_scaled (regression from CVE-2025-65018 fix) | 7.1 | 0.0022 | | | [CVE-2026-23865](https://patchblox.com/security/data/cve/CVE-2026-23865.md) | High | 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 2.14.2. | 7.6 | 0.0017 | | | [CVE-2026-22801](https://patchblox.com/security/data/cve/CVE-2026-22801.md) | High | LIBPNG has an integer truncation causing heap buffer over-read in png_image_write_* | 7.8 | 0.0013 | | | [CVE-2026-22007](https://patchblox.com/security/data/cve/CVE-2026-22007.md) | High | Java(TM) SE Development Kit 21 and 1 other: Exposure of Sensitive Information to an Unauthorized Actor | 7.6 | 0.0012 | | | [CVE-2026-34268](https://patchblox.com/security/data/cve/CVE-2026-34268.md) | High | Java(TM) SE Development Kit 21 and 1 other: Exposure of Sensitive Information to an Unauthorized Actor | 7.6 | 0.0012 | | --- Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo