Crypt::SecretBuffer versions before 0.019 for Perl is suseceptible to timing attacks

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Summary

CVECVE-2026-5086
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-13 23:16:27 UTC
Updated2026-05-06 17:16:49 UTC
DescriptionCrypt::SecretBuffer versions before 0.019 for Perl is suseceptible to timing attacks. For example, if Crypt::SecretBuffer was used to store and compare plaintext passwords, then discrepencies in timing could be used to guess the secret password.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.000150000 probability, percentile 0.028620000 (date 2026-04-21)

Problem Types: CWE-208 | CWE-208 CWE-208 Observable Timing Discrepancy

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nerdvana Crypt \ secretbuffer All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA NERDVANA CryptSecretBuffer affected 0.019 custom Not specified

References

ReferenceSourceLinkTags
www.openwall.com/lists/oss-security/2026/04/13/12 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Third Party Advisory, Mailing List
metacpan.org/release/NERDVANA/Crypt-SecretBuffer-0.019/source/Changes 9b29abf9-4ab0-4765-b253-1875cd9b441e metacpan.org Product, Release Notes
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade to version 0.019 or later.

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