🛡️ CVE-2026-47373

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-208 NVD

7.5

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Crypt::SaltedHash versions through 0.09 for Perl is susceptible to timing attacks.

These versions use Perl's built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Weakness class

CVE-2026-47373 is classified as CWE-208: Observable Timing Discrepancy. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Affected software

CVE-2026-47373 is recorded against 1 package.

unknown

Timeline and source

Published on 20 May 2026 and last revised on 23 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
metacpan.org
www.openwall.com

CVE-2026-47373 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian Ubuntu

Details

Severity HIGH

CVSS Score 7.5

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

CWE CWE-208

Public Exploit ✅ No

Source NVD

Published 2026-05-20

Updated 2026-08-11

Modified 2026-07-23

Fix URL N/A

Affected Packages

Software	From version	Fixed in
unknown	—	—

References

https://github.com/robrwo/perl-Crypt-SaltedHash/commit/c07bfc5c23185b0667233d0f2e1252d81f1f027a.patch

https://metacpan.org/release/RRWO/Crypt-SaltedHash-0.10/changes

http://www.openwall.com/lists/oss-security/2026/05/20/21

🔗 NVD 🔗 Mitre

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