CPANSA-Crypt-SecretBuffer-2026-5086: Crypt-SecretBuffer vulnerability
| Publisher | giterlizzi | Document category | csaf_security_advisory |
|---|---|---|---|
| Initial release date | 2026-04-13T00:00:00 | Engine | CSAF Perl Toolkit 0.26 |
| Current release date | 2026-04-13T00:00:00 | Build Date | |
| Current version | 1 | Status | final |
| CVSS v3.1 Base Score | 7.5 | Severity | |
| Original language | Language | en | |
| Also referred to | |||
Vulnerability Description
Crypt::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.
Vulnerabilities
CVE-2026-5086
Vulnerability 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.
| Weakness | CWE-208 : Observable Timing Discrepancy |
|---|
Product status
Known affected
| Product | Score | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Crypt-SecretBuffer less than 0.019 |
|
Fixed
- Crypt-SecretBuffer greater than or equal 0.019
giterlizzi
Namespace: https://github.com/giterlizzi/
gdt@cpan.org
References
- CPANSA-Crypt-SecretBuffer-2026-5086 JSON self
https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-crypt-secretbuffer-2026-5086.json - https://metacpan.org/release/NERDVANA/Crypt-SecretBuffer-0.019/source/Changes external
https://metacpan.org/release/NERDVANA/Crypt-SecretBuffer-0.019/source/Changes - http://www.openwall.com/lists/oss-security/2026/04/13/12 external
http://www.openwall.com/lists/oss-security/2026/04/13/12 - CVE-2026-5086 (NVD) external
https://nvd.nist.gov/vuln/detail/CVE-2026-5086
Revision history
| Version | Date of the revision | Summary of the revision |
|---|---|---|
| 1 | Mon Apr 13 00:00:00 2026 | First release |
Sharing rules
TLP:WHITE
For the TLP version see: https://www.first.org/tlp/