CVE-2025-0509
Signing Checks Bypass
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Signing Checks Bypass
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.
- Record
CVE-2025-0509- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-552
- Updated
- 2026-11-02
EUVDEUVD-2025-0232
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.
- Record
EUVD-2025-0232- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wc9m-r3v6-9p5h
Sparkle Signing Checks Bypass
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.
- Record
GHSA-wc9m-r3v6-9p5h- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-552
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-0509- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-552
- Updated
- 2026-11-02
OSV
Signing Checks Bypass
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.
- Record
CVE-2025-0509- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-552
- Updated
- 2026-11-02
OSVGHSA-wc9m-r3v6-9p5h
Sparkle Signing Checks Bypass
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.
- Record
GHSA-wc9m-r3v6-9p5h- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-552
- Updated
- 2026-11-02
Show 4 moreShow less
OSVUBUNTU-CVE-2025-0509
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.
- Record
UBUNTU-CVE-2025-0509- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVBIT-java-2025-0509 No score
Signing Checks Bypass
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.
- Record
BIT-java-2025-0509- Updated
- 2026-11-02
OSVBIT-java-min-2025-0509 No score
Signing Checks Bypass
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.
- Record
BIT-java-min-2025-0509- Updated
- 2026-11-02
OSVBIT-jre-2025-0509 No score
Signing Checks Bypass
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.
- Record
BIT-jre-2025-0509- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/sparkle-project/SparkleSwiftURL |
through 2.6.3 | 2.6.4 |
javaBitnami |
before 1.8.0, 1.9.0 up to 8.0.441 | 1.8.08.0.441 |
java-minBitnami |
before 1.8.0, 1.9.0 up to 8.0.441 | 1.8.08.0.441 |
jreBitnami |
before 1.8.0, 1.9.0 up to 8.0.441 | 1.8.08.0.441 |
github.com/sparkle-project/SparkleSwiftURL |
before 2.6.4 | 2.6.4 |
openjdk-9Ubuntu:16.04:LTS |
All versions, plus listed versions 9~b88-19~b101-2ubuntu29~b102-19~b113-0ubuntu19~b114-0ubuntu1 |
None known |
openjdk-13Ubuntu:20.04:LTS |
All versions, plus listed versions 13+33-113.0.1+9-213.0.2+8-113.0.2+8-213.0.3+3-1ubuntu213.0.4+8-1~20.0413.0.7+5-0ubuntu1~20.04 |
None known |
openjdk-16Ubuntu:20.04:LTS |
All versions, plus listed versions 16.0.1+9-1~20.04 |
None known |
openjdk-18Ubuntu:22.04:LTS |
All versions, plus listed versions 18~15ea-418~20ea-118~32ea-118~36ea-118.0.2+9-2~22.04 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-0509 is a high vulnerability (CVSS 7.3) in Sparkle Project Sparkle, published February 4, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 59th percentile. Fixed in github.com/sparkle-project/Sparkle 2.6.4.
References
github.com/sparkle-project/Sparkle/pull/2550
sparkle-project.org/documentation/security-and-reliability
security.netapp.com/advisory/ntap-20250124-0008
nvd.nist.gov/vuln/detail/CVE-2025-0509
ubuntu.com/security/CVE-2025-0509
cve.org/CVERecord?id=CVE-2025-0509