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TI-2025-01203 Aliases CVE-2025-1400GHSA-grvj-cc9v-jh9r

Out-of-bounds Read in libplctag library

Priority LOW 15CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

Out-of-bounds Read vulnerability in unpack_response (conn.c) in libplctag from 2.0 through 2.6.3 allows Overread Buffers via network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00246 15th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
libplctaglibplctag2.0 – 2.6.3—No fix listedCNA
  • libplctag Vendorlibplctag Affected 2.0 – 2.6.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-1400
  2. 2026-10-03 Alias added: GHSA-grvj-cc9v-jh9r

References

  • TI-2025-01202 Out-of-bounds Read in libplctag library CVSS 3.1LOW 3.1

Sources