GNU
GNU Inetutils: vulnerabilities and CVEs
GNU Inetutils has 9 published vulnerabilities, 4 of them in the last 12 months. 2 are rated critical and 1 are listed by CISA as actively exploited.
CVEs9
Last 12 months4
Critical2
Actively exploited1
All vulnerabilities in the catalogue →⭐ Follow this technology
🔴 Actively exploited (CISA KEV)
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-24061 | Critical (9.8) | 99% | ⚠ Active exploitation | Jan 21, 2026 | telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable. |
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-32772 | Medium (4.7) | 0.27% | — | Mar 16, 2026 | telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEW_ENVIRON SEND USERVAR. |
| CVE-2026-32746 | Critical (9.8) | 2.4% | — | Mar 13, 2026 | telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full. |
| CVE-2026-28372 | High (7.8) | 0.20% | — | Feb 27, 2026 | telnetd in GNU inetutils through 2.7 allows privilege escalation that can be exploited by abusing systemd service credentials support added to the login(1) implementation of util-linux in release 2.40. This is related… |
| CVE-2026-24061 | Critical (9.8) | 99% | ⚠ Active exploitation | Jan 21, 2026 | telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable. |
| CVE-2023-40303 | High (7.8) | 0.41% | — | Aug 14, 2023 | GNU inetutils before 2.5 may allow privilege escalation because of unchecked return values of set*id() family functions in ftpd, rcp, rlogin, rsh, rshd, and uucpd. This is, for example, relevant if the setuid system… |
| CVE-2022-39028 | High (7.5) | 2.1% | — | Aug 30, 2022 | telnetd in GNU Inetutils through 2.3, MIT krb5-appl through 1.0.3, and derivative works has a NULL pointer dereference via 0xff 0xf7 or 0xff 0xf8. In a typical installation, the telnetd application would crash but the… |
| CVE-2021-40491 | Medium (6.5) | 1.0% | — | Sep 3, 2021 | The ftp client in GNU Inetutils before 2.2 does not validate addresses returned by PASV/LSPV responses to make sure they match the server address. This is similar to CVE-2020-8284 for curl. |
| CVE-2011-4862 | High (10) | 95% | — | Dec 25, 2011 | Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.2 and earlier, Heimdal 1.5.1 and earlier, GNU inetutils, and possibly other products… |
| CVE-2004-1485 | High (7.5) | 2.5% | — | Dec 31, 2004 | Buffer overflow in the TFTP client in InetUtils 1.4.2 allows remote malicious DNS servers to execute arbitrary code via a large DNS response that is handled by the gethostbyname function. |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.