CVE-2025-63927
MEDIUMairpig2011 IEC104 < 2019-07-08 - Use-After-Free in Iec10x_Scheduled Function
Title source: llmDescription
A heap-use-after-free vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). During multi-threaded client execution, the function Iec10x_Scheduled can access memory that has already been freed, potentially causing program crashes or undefined behavior. This may be exploited to trigger a denial-of-service or memory corruption.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://songsong.host/mybugs/CVE-2025-63927.html
Scores
CVSS v3
4.0
EPSS
0.0017
EPSS Percentile
6.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-122
Status
published
Products (1)
airpig2011/iec104
< 2019-07-08
Published
Nov 12, 2025
Tracked Since
Feb 18, 2026