CVE-2026-67873: A heap-based buffer overflow exists in lib60870-C 2.4.0 in the server-side FileSegment ASDU encoding path. The issue occurs because FileSegment_encode() validates only the standalo
A heap-based buffer overflow exists in lib60870-C 2.4.0 in the server-side FileSegment ASDU encoding path. The issue occurs because FileSegment_encode() validates only the standalone segment length via FileSegment_GetMaxDataSize() and does not verify the residual capacity of the current ASDU frame before encoding object fields and segment data
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-67873
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-678730.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-67873 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for A heap-based buffer
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-34502: Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility memcached client T…nvd · 2026-08-06
- highCVE-2026-34501: Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This…nvd · 2026-08-06
- highCVE-2026-67860: open62541 1.5.5 contains a heap-based buffer overflow in the default HistoryRead path when the…nvd · 2026-08-04
- criticalCVE-2017-20241: Keysight IxChariot Endpoint before 9.5.102 contains a heap-based buffer overflow. An unauthent…nvd · 2026-08-04
- criticalCVE-2026-68579: FreeRDP before 3.30.0 (<= 3.29.0) contains a heap-based buffer overflow in the Windows clipboa…nvd · 2026-08-02
- mediumCVE-2026-13307: Autel MaxiCharger AC Elite Home USB Heap-based Buffer Overflow Arbitrary Code Execution Vulner…nvd · 2026-07-29
More from NVD Recent CVEs
- highCVE-2026-19190: A weakness has been identified in StableBit Scanner 2.6.13.4088. This affects an unknown part …2026-08-07
- unknownCVE-2026-49746: Software installed and run as a non-privileged user may conduct improper GPU system calls to c…2026-08-07
- unknownCVE-2026-45204: Software installed and run as a non-privileged user may conduct improper GPU system calls to t…2026-08-07
- unknownCVE-2026-45198: Kernel software from a non-secure operating system on a platform with Trusted Execution Enviro…2026-08-07
- highCVE-2026-19189: A security flaw has been discovered in Power Sofware PowerISO 9.3.0.0. Affected by this issue …2026-08-07