Vulnerability · Published Feb 4, 2025 · Assigned by fedora

CVE-2025-0509Signing Checks Bypass

High 7.3

In plain English

A high-severity security flaw in Sparkle from sparkle-project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.9%top 40.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSopenjdk-18no fix listedUBUNTU-CVE-2025-0509

Affected products (as reported)

VendorProductVersions
sparkle-project Sparkle 0 – before 2.6.4

Weakness: CWE-552 · Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

References