Microsoft Addresses Vulnerabilities in mISDN: CVE-2024-42280 and CVE-2025-39833
Article Content
Browse articles 
Microsoft has published information on two vulnerabilities affecting the mISDN driver. CVE-2024-42280 addresses a use-after-free issue in hfcmulti_tx(), while CVE-2025-39833 resolves a warning related to deleting an uninitialized timer. Both vulnerabilities could impact systems utilizing the mISDN framework.
Ask AI about this cluster
Answers cite the sources they use
Updated 214d ago How this analysis works
Timeline
2024-08-17
CVE-2024-42280 published
2025-09-16
CVE-2025-39833 published
2026-02-18
Microsoft publishes information on both CVEs
More articles in this cluster (2)
Following this threat?
Track CVE-2024-42280 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
CVE-2015-3306 Exploited in ProFTPD FTP Servers CVE-2015-3306, a vulnerability in ProFTPD 1.3.5, allows remote attackers to read and write arbitrary files using the SITE CPFR and SITE CPTO commands. This exploit can lead to unauthorized access and potential remote code execution, as the commands are executed with the privileges of the ProFTPD service. Active… 
CISA Mandates Urgent Patching of Five Critical Flaws Exploited by Flax Typhoon The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to patch five critical vulnerabilities by October 11, 2026, following exploitation by the China-linked hacking group Flax Typhoon. The vulnerabilities, added to CISA's Known Exploited Vulnerabilities (KEV) catalog, include…