ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2017-20230

Storable versions before 3.05 for Perl has a stack overflow.

Published Apr 21, 2026 · catalog updated Jun 17, 2026 · Storable versions before 3.05

Check if you run it

No confirmed exploitation is on record for CVE-2017-20230. EPSS is 0.64%. Act only if a listed version of Storable versions before 3.05 is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Storable versions before 3.05).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical10.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.64%
Remediation
Advisory link
Affected products
cpe nwclark/storable

Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe nwclark/storableversion unspecified

How to fix CVE-2017-20230

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2017-20230. EPSS is 0.64%. Act only if a listed version of Storable versions before 3.05 is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-121: Stack-based Buffer Overflow. EPSS 0.64%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 21, 2026 · NIST NVD

    Detected

    Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.

Sources

  • CVE.orgVulnerability recordCVE-2017-20230

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2017-20230

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2017-20230

    Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.