VulnerabilityAnalyzed
CVE-2025-63927
A heap-use-after-free vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08).
MEDIUM 4.0EPSS 0.19%
Does this matter?
Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 4.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 0.19% probability · 9th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-122
- Affected
- airpig2011/iec104
- Source
- cve@mitre.org
References
- https://github.com/airpig2011/IEC104/issues/20Exploit
- https://songsong.host/mybugs/CVE-2025-63927.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.