🛡️ CVE-2025-70873 on Alpine 3.21 (Root.io) — rootio-sqlite

Distribution advisory

This page covers CVE-2025-70873 as tracked by Alpine 3.21 (Root.io), for the package rootio-sqlite. The fix is available in version 3.48.0-r40072; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: None.
• Availability impact: None.

Weakness class

ROOT-OS-ALPINE-321-CVE-2025-70873 is classified as CWE-244: Improper Clearing of Heap Memory Before Release ('Heap Inspection'). Using realloc() to resize buffers that store sensitive information can leave the sensitive information exposed to attack, because it is not removed from memory.

Affected software

ROOT-OS-ALPINE-321-CVE-2025-70873 is recorded against 2 packages.

• rootio-sqlite (fixed in 3.48.0-r40072)
• sqlite (fixed in 3.48.0-r40072)

Timeline and source

Published on 6 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Other advisories for this package

rootio-sqlite has other advisories on record. If you are patching this one, these are worth checking on the same host:

• ROOT-OS-ALPINE-322-CVE-2026-11824 (8.0 High, published 10 Aug 2026)
• ROOT-OS-ALPINE-322-CVE-2026-11822 (8.0 High, published 10 Aug 2026)
• ROOT-OS-ALPINE-322-CVE-2025-70873 (2.0 Low, published 10 Aug 2026)
• ROOT-OS-ALPINE-323-CVE-2026-11822 (8.0 High, published 6 Aug 2026)
• ROOT-OS-ALPINE-321-CVE-2026-11824 (8.0 High, published 6 Aug 2026)
• ROOT-OS-ALPINE-321-CVE-2026-11822 (8.0 High, published 6 Aug 2026)
• ROOT-OS-ALPINE-323-CVE-2026-11824 (8.0 High, published 6 Aug 2026)
• ROOT-OS-ALPINE-320-CVE-2026-11822 (8.0 High, published 4 Aug 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-244: Improper Clearing of Heap Memory Before Release ('Heap Inspection')) in other software:

• CVE-2026-48025 (published 28 Jul 2026)
• CVE-2025-70873 (8.0 High, published 18 Apr 2026)
• CVE-2026-20039 (8.6 High, published 4 Mar 2026)
• CVE-2025-33101 (5.9 Medium, published 17 Feb 2026)
• CVE-2025-1722 (5.9 Medium, published 20 Jan 2026)
• CVE-2025-1719 (5.9 Medium, published 20 Jan 2026)
• CVE-2025-1721 (5.9 Medium, published 26 Dec 2025)
• CVE-2025-36118 (7.5 High, published 17 Nov 2025)

CVE-2025-70873 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References