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CVE-2024-58041: Smolder versions through 1.51 for Perl uses insecure rand() function for cryptographic functions. Smolder 1.5

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This month
CRITICAL 9.1REMOTEUPGRADE

CVE-2024-58041 is a critical-severity flaw (CVSS 9.1) affecting smolder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Smolder versions through 1.51 for Perl uses insecure rand() function for cryptographic functions. Smolder 1.51 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions. Specifically Smolder::DB::Developer uses the Data::Random library which specifically states that it is "Useful mostly for test programs". Data::Random uses the rand() function.

Why this priority

  • Critical severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.1 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.5% (top 59%)
CISA exploited listNo
WeaknessCWE-338
Published2026-02-24
Last modified2026-06-17
Publisher (CNA): CPANSec · Vendor: wonko

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

wonko smolder UPGRADE
Affected: <= 1.51
Fixed in: newer than 1.51
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy smolder || rpm -q smolder || smolder --version
2. UPGRADE to newer than 1.51 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade smolder
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade smolder
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-58041?

smolder: upgrade to newer than 1.51. Exact commands for each OS are on this page.

Is CVE-2024-58041 being exploited?

CVE-2024-58041 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-58041 affect?

CVE-2024-58041 affects smolder. Severity is critical (CVSS 9.1). Smolder versions through 1.51 for Perl uses insecure rand() function for cryptographic functions. Smolder 1.51 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for crypt

How urgent is CVE-2024-58041?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Perl vulnerabilities

References

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