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TI-2016-09191 Aliases CVE-2016-20013GHSA-7rf5-g36v-wpjh

sha256crypt and sha512crypt through 0.6 allow attackers to cause a denial of service (CPU…

Priority LOW 37CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-770.

Summary

sha256crypt and sha512crypt through 0.6 allow attackers to cause a denial of service (CPU consumption) because the algorithm's runtime is proportional to the square of the length of the password.

Why it matters now

EPSS 0.02174 82nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:sha256crypt_project:sha256crypt:*:*:*:*:*:*:*:*up to 0.6VulnerableSha256crypt Project
cpe:2.3:a:sha512crypt_project:sha512crypt:*:*:*:*:*:*:*:*up to 0.6VulnerableSha512crypt Project
  • cpe:2.3:a:sha256crypt_project:sha256crypt:*:*:*:*:*:*:*:* Versions up to 0.6 Vulnerable ·Sha256crypt Project
  • cpe:2.3:a:sha512crypt_project:sha512crypt:*:*:*:*:*:*:*:* Versions up to 0.6 Vulnerable ·Sha512crypt Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-20013
  2. 2026-10-03 Alias added: GHSA-7rf5-g36v-wpjh

References

Exploit 2

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences