CVE-2026-61893
A crafted IEC 60870-5-104 I-frame with TypeID 104 (C_TS_NA_1) and an inflated object count causes TestCommand_getFromBuffer to read one byte past the end of the heap-allocated message buffer.
- CVSS 4.0
- 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N - CVSS 3.1
- 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L - EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-25)
- CWE
- CWE-125
- Published
- Modified
- Record from
- the NVD, synced
References
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-11.json
- https://github.com/mz-automation/lib60870/security/advisories/GHSA-g3w7-x5rx-83xm
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-11
- https://github.com/mz-automation/lib60870/security/advisories/GHSA-g3w7-x5rx-83xm