CVE-2026-52134-libiec61850

CVE-2026-52134: GOOSE replay and message-freshness handling in libiec61850 v1.6 Status CVE-2026-52134 has been assigned. Publication of the corresponding CVE Record is pending. Affected product Vendor: MZ Automation GmbH Product: libiec61850 Tested version: 1.6 Status of other versions: Not...

CVE-2026-68908

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, ReportingRCBWriteAccessHandler accepts an RptID longer than 129 bytes in the report-control-block write path. When GI later causes...

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-2026-68907

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, checkDataSetAccess reverses the source and destination arguments to StringUtilscopyStringToBuffer while constructing an MMSASSOCIATIONSPECIFIC...

CVE-2026-57446

libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. From 1.6.1 until 1.6.2, a successful MMS ObtainFile operation closes MmsObtainFileTask::fileHandle but leaves the stale non-NULL value in a task marked...

CVE-2026-48741

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, alternateArrayAccess in src/mms/isomms/server/mmsreadservice.c does not validate an alternate-access sub-array range when numberOfElements is...

CVE-2026-48503

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, the MMS file service in src/mms/isomms/server/mmsfileservice.c accepts an out-of-range initialPosition in fileOpen and stores it in the...

CVE-2026-68906 libIEC61850: Infinite loop and out-of-bounds read in ACSE parseUserInformation when parsing a malformed AARE PDU

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...

CVE-2026-68906 libIEC61850: Infinite loop and out-of-bounds read in ACSE parseUserInformation when parsing a malformed AARE PDU

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-2026-68907 libIEC61850: Server-side out-of-bounds stack read in association-specific dynamic dataset creation due to reversed StringUtils_copyStringToBuffer arguments

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, checkDataSetAccess reverses the source and destination arguments to StringUtilscopyStringToBuffer while constructing an MMSASSOCIATIONSPECIFIC...

EUVD-2026-102911

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, checkDataSetAccess reverses the source and destination arguments to StringUtilscopyStringToBuffer while constructing an MMSASSOCIATIONSPECIFIC...

CVE-2026-68907

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, checkDataSetAccess reverses the source and destination arguments to StringUtilscopyStringToBuffer while constructing an MMSASSOCIATIONSPECIFIC...

CVE-2026-68907 libIEC61850: Server-side out-of-bounds stack read in association-specific dynamic dataset creation due to reversed StringUtils_copyStringToBuffer arguments

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, checkDataSetAccess reverses the source and destination arguments to StringUtilscopyStringToBuffer while constructing an MMSASSOCIATIONSPECIFIC...

CVE-2026-68907

The libIEC61850 library, an open-source implementation of IEC 61850 protocols, contains a server-side out-of-bounds stack read vulnerability in versions prior to 1.6.2 . The root cause is in the checkDataSetAccess function, which reverses the source and destination arguments when calling StringUt...

CVE-2026-68908 libIEC61850: Oversized RptID can trigger invalid free of a stack-backed visible string in the report send path

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, ReportingRCBWriteAccessHandler accepts an RptID longer than 129 bytes in the report-control-block write path. When GI later causes...

CVE-2026-68908

The libIEC61850 open-source implementation of IEC 61850 protocols (including MMS, GOOSE, Sampled Values, and R-Session) contains a vulnerability in versions prior to 1.6.2 . The Reporting_RCBWriteAccessHandler accepts an RptID exceeding 129 bytes during the report-control-block write path. Subseq...

CVE-2026-68908 libIEC61850: Oversized RptID can trigger invalid free of a stack-backed visible string in the report send path

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, ReportingRCBWriteAccessHandler accepts an RptID longer than 129 bytes in the report-control-block write path. When GI later causes...

EUVD-2026-102910

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, ReportingRCBWriteAccessHandler accepts an RptID longer than 129 bytes in the report-control-block write path. When GI later causes...

CVE-2026-57446

The libIEC61850 open-source implementation of IEC 61850 protocols contains a server-side double free vulnerability in versions 1.6.1 through 1.6.2. The issue occurs during an MMS ObtainFile operation where a successful request closes the MmsObtainFileTask::fileHandle but leaves a stale non-NULL v...