# CVE-2026-50812: lemon: A NULL pointer dereference in the SQLite Session Extension in SQLite 3.53.1 and SQLite trunk builds before check-in e... CVE-2026-50812 is fixed in 17 products on 1 platform, first by lemon 3.46.1-9ubuntu0.2, released July 8, 2026. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2026-50812 - Priority: Routine - CVSS: 5.5 (Medium) - EPSS: 0.0016 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jul 8, 2026 ## Description A NULL pointer dereference in the SQLite Session Extension in SQLite 3.53.1 and SQLite trunk builds before check-in e807d4e3798efd53 allows an attacker who can supply a malformed changeset blob to cause a denial of service. The issue occurs when sqlite3changeset_apply_v3() applies a corrupt changeset and reaches sqlite3_value_type() with a NULL sqlite3_value pointer. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | lemon Ubuntu 22.04.1 LTS (jammy) | 3.37.2-2ubuntu0.7 | [lemon 3.37.2-2ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-lemon-3.37.2-2ubuntu0.7.md) | Jul 23, 2026 | | Linux | lemon Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.7 | [lemon 3.45.1-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-lemon-3.45.1-1ubuntu2.7.md) | Jul 23, 2026 | | Linux | lemon Ubuntu 26.04.1 LTS (resolute) | 3.46.1-9ubuntu0.2 | [lemon 3.46.1-9ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-lemon-3.46.1-9ubuntu0.2.md) | Jul 8, 2026 | | Linux | libsqlite3-0 Ubuntu 22.04.1 LTS (jammy) | 3.37.2-2ubuntu0.7 | [libsqlite3-0 3.37.2-2ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libsqlite3-0-3.37.2-2ubuntu0.7.md) | Jul 23, 2026 | | Linux | libsqlite3-0 Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.7 | [libsqlite3-0 3.45.1-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libsqlite3-0-3.45.1-1ubuntu2.7.md) | Jul 23, 2026 | | Linux | libsqlite3-0 Ubuntu 26.04.1 LTS (resolute) | 3.46.1-9ubuntu0.2 | [libsqlite3-0 3.46.1-9ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libsqlite3-0-3.46.1-9ubuntu0.2.md) | Jul 8, 2026 | | Linux | libsqlite3-ext-csv Ubuntu 26.04.1 LTS (resolute) | 3.46.1-9ubuntu0.2 | [libsqlite3-ext-csv 3.46.1-9ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libsqlite3-ext-csv-3.46.1-9ubuntu0.2.md) | Jul 8, 2026 | | Linux | libsqlite3-ext-icu Ubuntu 26.04.1 LTS (resolute) | 3.46.1-9ubuntu0.2 | [libsqlite3-ext-icu 3.46.1-9ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libsqlite3-ext-icu-3.46.1-9ubuntu0.2.md) | Jul 8, 2026 | | Linux | libsqlite3-tcl Ubuntu 22.04.1 LTS (jammy) | 3.37.2-2ubuntu0.7 | [libsqlite3-tcl 3.37.2-2ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libsqlite3-tcl-3.37.2-2ubuntu0.7.md) | Jul 23, 2026 | | Linux | libsqlite3-tcl Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.7 | [libsqlite3-tcl 3.45.1-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libsqlite3-tcl-3.45.1-1ubuntu2.7.md) | Jul 23, 2026 | | Linux | libsqlite3-tcl Ubuntu 26.04.1 LTS (resolute) | 3.46.1-9ubuntu0.2 | [libsqlite3-tcl 3.46.1-9ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libsqlite3-tcl-3.46.1-9ubuntu0.2.md) | Jul 8, 2026 | | Linux | nodejs22 amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | | Linux | nodejs22-debuginfo amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | | Linux | nodejs22-debugsource amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | | Linux | nodejs22-devel amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | | Linux | nodejs22-docs amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | | Linux | nodejs22-full-i18n amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | | Linux | nodejs22-libs amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | | Linux | nodejs22-libs-debuginfo amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | | Linux | nodejs22-npm amzn 2023 | 1:10.9.8-1.22.23.2.1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | | Linux | sqlite3 Debian 14 | 3.53.2-1 | [DEBIAN-CVE-2026-50812](https://patchblox.com/security/data/fix/linux/debian-cve-2026-50812.md) | Jul 20, 2026 | | Linux | sqlite3 Ubuntu 22.04.1 LTS (jammy) | 3.37.2-2ubuntu0.7 | [sqlite3 3.37.2-2ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-sqlite3-3.37.2-2ubuntu0.7.md) | Jul 23, 2026 | | Linux | sqlite3 Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.7 | [sqlite3 3.45.1-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-sqlite3-3.45.1-1ubuntu2.7.md) | Jul 23, 2026 | | Linux | sqlite3 Ubuntu 26.04.1 LTS (resolute) | 3.46.1-9ubuntu0.2 | [sqlite3 3.46.1-9ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-sqlite3-3.46.1-9ubuntu0.2.md) | Jul 8, 2026 | | Linux | sqlite3-tools Ubuntu 22.04.1 LTS (jammy) | 3.37.2-2ubuntu0.7 | [sqlite3-tools 3.37.2-2ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-sqlite3-tools-3.37.2-2ubuntu0.7.md) | Jul 23, 2026 | | Linux | sqlite3-tools Ubuntu 24.04.5 LTS (noble) | 3.45.1-1ubuntu2.7 | [sqlite3-tools 3.45.1-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-sqlite3-tools-3.45.1-1ubuntu2.7.md) | Jul 23, 2026 | | Linux | sqlite3-tools Ubuntu 26.04.1 LTS (resolute) | 3.46.1-9ubuntu0.2 | [sqlite3-tools 3.46.1-9ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-sqlite3-tools-3.46.1-9ubuntu0.2.md) | Jul 8, 2026 | | Linux | v8-12.4-devel amzn 2023 | 3:12.4.254.21-1.22.23.2.1.amzn2023.0.2 | [ALAS2023-2026-2060](https://patchblox.com/security/data/fix/linux/alas2023-2026-2060.md) | Aug 17, 2026 | --- Data as of 2026-11-08T13:06:02Z 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 Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.