CVE-2026-71979

Summary

INDI (Instrument Neutral Distributed Interface) indiserver through 2.2.4.2, fixed in commit 96bbd7f, contains a stack buffer overflow vulnerability that allows unauthenticated remote attackers to crash the daemon by sending malformed XML with mismatched tags whose names exceed 1024 bytes. Attackers can send a single TCP packet on port 7624 with mismatched XML tags to trigger an unbounded sprintf() write into a fixed 1024-byte stack buffer in MsgQueue.cpp, terminating the daemon and disrupting all active client and driver sessions.

Affected Software

Weaknesses

• CWE-121: Stack-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/indilib/indi/issues/2472

References

• https://github.com/indilib/indi/issues/2472
• https://github.com/indilib/indi/commit/96bbd7f564bbb128a129019e44eadd40dd49cff9
• https://www.vulncheck.com/advisories/indi-indiserver-stack-buffer-overflow-via-xml-tag-parsing

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