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Fencer Vulns
critical 9.1

CVE-2026-47372 json

Crypt::SaltedHash versions through 0.09 for Perl generate insecure random values for salts

published 2026-05-20 5 mo ago modified 2026-07-20 3 mo ago also EUVD-2026-31198

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits
0
none known

Summary

Crypt::SaltedHash versions through 0.09 for Perl generate insecure random values for salts.

These versions use the built-in rand function, which is predictable and unsuitable for cryptography.

Patch / fix

  • libcrypt-saltedhash-perl Debian 14 0.11-1

debian advisories DEBIAN-CVE-2026-47372

  • libcrypt-saltedhash-perl Ubuntu 25.10 0.09-3ubuntu0.25.10.1
  • libcrypt-saltedhash-perl Ubuntu Pro 16.04 LTS 0.09-1ubuntu0.16.04.1~esm1
  • libcrypt-saltedhash-perl Ubuntu Pro 18.04 LTS 0.09-1ubuntu0.18.04.1~esm1
  • libcrypt-saltedhash-perl Ubuntu Pro 20.04 LTS 0.09-1ubuntu0.20.04.1~esm1
  • libcrypt-saltedhash-perl Ubuntu Pro 22.04 LTS 0.09-1.1ubuntu0.1~esm1
  • libcrypt-saltedhash-perl Ubuntu Pro 24.04 LTS 0.09-3ubuntu0.24.04.1~esm1
  • libcrypt-saltedhash-perl Ubuntu Pro 26.04 LTS 0.09-3ubuntu0.26.04.1~esm1

ubuntu advisories UBUNTU-CVE-2026-47372

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • perl-Crypt-SaltedHash openSUSE Leap 16.0 0.110.0-bp160.1.1
  • perl-Crypt-SysRandom openSUSE Leap 16.0 0.7.0-bp160.1.1
  • perl-Crypt-SaltedHash openSUSE Tumbleweed 0.110.0-1.1

opensuse advisories openSUSE-SU-2026:20986-1openSUSE-SU-2026:10836-1

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
5 mo ago

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

  • RRWO Crypt::SaltedHash

Classification

Weakness
  • CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.