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Vulnerability Details :

CVE-2026-22705

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-10 Jan, 2026 | 06:14
Updated At-12 Jan, 2026 | 16:43
Rejected At-
Credits

RustCrypto: Signatures has timing side-channel in ML-DSA decomposition

RustCrypto: Signatures offers support for digital signatures, which provide authentication of data using public-key cryptography. Prior to version 0.1.0-rc.2, a timing side-channel was discovered in the Decompose algorithm which is used during ML-DSA signing to generate hints for the signature. This issue has been patched in version 0.1.0-rc.2.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:10 Jan, 2026 | 06:14
Updated At:12 Jan, 2026 | 16:43
Rejected At:
▼CVE Numbering Authority (CNA)
RustCrypto: Signatures has timing side-channel in ML-DSA decomposition

RustCrypto: Signatures offers support for digital signatures, which provide authentication of data using public-key cryptography. Prior to version 0.1.0-rc.2, a timing side-channel was discovered in the Decompose algorithm which is used during ML-DSA signing to generate hints for the signature. This issue has been patched in version 0.1.0-rc.2.

Affected Products
Vendor
RustCrypto
Product
signatures
Versions
Affected
  • < 0.1.0-rc.2
Problem Types
TypeCWE IDDescription
CWECWE-1240CWE-1240: Use of a Cryptographic Primitive with a Risky Implementation
Type: CWE
CWE ID: CWE-1240
Description: CWE-1240: Use of a Cryptographic Primitive with a Risky Implementation
Metrics
VersionBase scoreBase severityVector
3.16.4MEDIUM
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/RustCrypto/signatures/security/advisories/GHSA-hcp2-x6j4-29j7
x_refsource_CONFIRM
https://github.com/RustCrypto/signatures/pull/1144
x_refsource_MISC
https://github.com/RustCrypto/signatures/commit/035d9eef98486ecd00a8bf418c7817eb14dd6558
x_refsource_MISC
Hyperlink: https://github.com/RustCrypto/signatures/security/advisories/GHSA-hcp2-x6j4-29j7
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/RustCrypto/signatures/pull/1144
Resource:
x_refsource_MISC
Hyperlink: https://github.com/RustCrypto/signatures/commit/035d9eef98486ecd00a8bf418c7817eb14dd6558
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:10 Jan, 2026 | 07:16
Updated At:13 Jan, 2026 | 14:03

RustCrypto: Signatures offers support for digital signatures, which provide authentication of data using public-key cryptography. Prior to version 0.1.0-rc.2, a timing side-channel was discovered in the Decompose algorithm which is used during ML-DSA signing to generate hints for the signature. This issue has been patched in version 0.1.0-rc.2.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.16.4MEDIUM
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-1240Primarysecurity-advisories@github.com
CWE ID: CWE-1240
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/RustCrypto/signatures/commit/035d9eef98486ecd00a8bf418c7817eb14dd6558security-advisories@github.com
N/A
https://github.com/RustCrypto/signatures/pull/1144security-advisories@github.com
N/A
https://github.com/RustCrypto/signatures/security/advisories/GHSA-hcp2-x6j4-29j7security-advisories@github.com
N/A
Hyperlink: https://github.com/RustCrypto/signatures/commit/035d9eef98486ecd00a8bf418c7817eb14dd6558
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/RustCrypto/signatures/pull/1144
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/RustCrypto/signatures/security/advisories/GHSA-hcp2-x6j4-29j7
Source: security-advisories@github.com
Resource: N/A

Change History

0
Information is not available yet

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