CVE Watch16 oct 2026

CVE-2026-68906

libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. P

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

0-100

Publicado: 16 oct 2026 · Última mod.: 16 oct 2026 · CWE-125 · CWE-835

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. Prior to 1.6.2, parseUserInformation in src/mms/iso_acse/acse.c checks len for zero before validating the negative bufPos returned by BerDecoder_decodeLength for a truncated long-form length. The continue path therefore swallows the error, reads buffer[-1], resets parsing to the beginning, and repeats the same malformed state. An unauthenticated remote peer can send a malformed AARE PDU during association to cause an infinite CPU loop under a normal allocator or a one-byte out-of-bounds read and process abort when the preceding byte is inaccessible. This issue is fixed in version 1.6.2.

Referencias oficiales

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