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📦 SwiftURL

CVE-2025-0509

HIGH

CVE-2025-0509 is a high-severity (CVSS 7.3) CWE-552 vulnerability in github.com/sparkle-project/Sparkle. O3 Security confirms whether CVE-2025-0509 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Signing Checks Bypass

Also known asBIT-java-2025-0509BIT-java-min-2025-0509BIT-jre-2025-0509GHSA-wc9m-r3v6-9p5h
Published
Feb 4, 2025
Updated
Jul 15, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
📦github.com/sparkle-project/Sparkle

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects SwiftURL packages — download data is not available via public APIs for these ecosystems.

Description

A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s (Ed)DSA signing checks.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
📦SwiftURLgithub.com/sparkle-project/Sparkleall versions2.6.4

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/sparkle-project/Sparkle. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update github.com/sparkle-project/Sparkle to 2.6.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-0509 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2025-0509 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2025-0509. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s (Ed)DSA signing checks.
O3 Security · Impact-Aware SCA

Is CVE-2025-0509 in your dependencies?

O3 detects CVE-2025-0509 across SwiftURL dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.