Bytes::Random::Secure versions through 0.29 for Perl share internal state across forked processes

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Summary

CVECVE-2026-11625
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-26 09:16:33 UTC
Updated2026-06-26 17:16:31 UTC
DescriptionBytes::Random::Secure versions through 0.29 for Perl share internal state across forked processes. When an object is initialised before forking, or when the functional interface is used, then the internal state for the PRNG is shared across processes and identical random streams will be produced. Secrets generated in multiprocess applications are predictable across processes.

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

Problem Types: CWE-335 | CWE-335 CWE-335 Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA DAVIDO BytesRandomSecure affected 0.29 custom Not specified

References

ReferenceSourceLinkTags
github.com/daoswald/Bytes-Random-Secure/pull/4 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com
security.metacpan.org/patches/B/Bytes-Random-Secure/0.29/CVE-2026-11625-r1.patch 9b29abf9-4ab0-4765-b253-1875cd9b441e security.metacpan.org
github.com/daoswald/Bytes-Random-Secure/issues/3 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com
www.cve.org/CVERecord 9b29abf9-4ab0-4765-b253-1875cd9b441e www.cve.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2026-06-24T00:00:00.000ZIssue publicly reported on GitHub

Workarounds

CNA: Apply the patch. Otherwise, only use the object-oriented interface and ensure that the object is only instantiated in a child process after forking. Alternatively, use a different module such as Crypt::PRNG, Crypt::SysRandom or Crypt::URandom.

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