CVE-2026-68906

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/isoacse/acse.c checks len for zero before validating the negative bufPos returned by BerDecoderdecodeLength fo...

CVE-2026-68906

The libIEC61850 open-source implementation of IEC 61850 protocols is vulnerable to an infinite loop and out-of-bounds read in the parseUserInformation function located in src/mms/iso_acse/acse.c. The root cause is a failure to properly validate the negative bufPos returned by BerDecoder_decodeLen...