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TI-2015-00784 Aliases CVE-2015-0843GHSA-x9xr-v9hc-3r27

yubiserver before 0.6 is prone to buffer overflows due to misuse of sprintf.

Priority MEDIUM 49CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

yubiserver before 0.6 is prone to buffer overflows due to misuse of sprintf.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00445 38th percentileScored 2026-11-07
Fix Fixed yubiserver (yubiserver): 0.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
yubiserveryubiserverbefore 0.60.6Patch availableCNA
  • yubiserver Vendoryubiserver Affected before 0.6 Fixed in 0.6 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:debian:yubiserver:0.2-2:*:*:*:*:*:*:*0.2-2VulnerableDebian
cpe:2.3:a:debian:yubiserver:0.5-2:*:*:*:*:*:*:*0.5-2VulnerableDebian
  • cpe:2.3:a:debian:yubiserver:0.2-2:*:*:*:*:*:*:* Versions 0.2-2 Vulnerable ·Debian
  • cpe:2.3:a:debian:yubiserver:0.5-2:*:*:*:*:*:*:* Versions 0.5-2 Vulnerable ·Debian

Remediation

  • Fix · CNA yubiserver (yubiserver) Fixed in 0.6

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    yubiserver 0.6

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2015-00783 yubiserver before 0.6 is prone to SQL injection issues, potentially leading to an authentication bypass.Priority MEDIUM 49

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-0843
  2. 2026-10-03 Alias added: GHSA-x9xr-v9hc-3r27

References

  • TI-2015-00783 yubiserver before 0.6 is prone to SQL injection issues, potentially leading to an authentication bypass. CVSS 3.1CRITICAL 9.8

Sources