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16 vulnerabilities found for inetutils by gnu
CVE-2026-32772 (GCVE-0-2026-32772)
Vulnerability from nvd – Published: 2026-03-13 21:01 – Updated: 2026-03-16 17:02
VLAI
EPSS
VEX
Summary
telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEW_ENVIRON SEND USERVAR.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-16 17:02 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
1 reference
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CVE-2026-32746 (GCVE-0-2026-32746)
Vulnerability from nvd – Published: 2026-03-13 17:15 – Updated: 2026-03-23 13:13
VLAI
EPSS
VEX
Summary
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.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-21 04:01 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
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CVE-2026-28372 (GCVE-0-2026-28372)
Vulnerability from nvd – Published: 2026-02-27 05:28 – Updated: 2026-03-07 17:05
VLAI
EPSS
VEX
Summary
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 to client control over the CREDENTIALS_DIRECTORY environment variable, and requires an unprivileged local user to create a login.noauth file.
Severity
7.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-27 00:00 UTC
CWE
- CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
9 references
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CVE-2026-24061 (GCVE-0-2026-24061)
Vulnerability from nvd – Published: 2026-01-21 06:42 – Updated: 2026-09-29 19:43Summary
telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-27 04:55 UTC
CWE
- CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Assigner
References
14 references
Impacted products
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CVE-2023-40303 (GCVE-0-2023-40303)
Vulnerability from nvd – Published: 2023-08-14 00:00 – Updated: 2024-08-02 18:31
VLAI
EPSS
VEX
Summary
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 call fails when a process is trying to drop privileges before letting an ordinary user control the activities of the process.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2022-39028 (GCVE-0-2022-39028)
Vulnerability from nvd – Published: 2022-08-30 00:00 – Updated: 2024-08-03 11:10
VLAI
EPSS
VEX
Summary
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 telnet service would remain available through inetd. However, if the telnetd application has many crashes within a short time interval, the telnet service would become unavailable after inetd logs a "telnet/tcp server failing (looping), service terminated" error. NOTE: MIT krb5-appl is not supported upstream but is shipped by a few Linux distributions. The affected code was removed from the supported MIT Kerberos 5 (aka krb5) product many years ago, at version 1.8.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-40491 (GCVE-0-2021-40491)
Vulnerability from nvd – Published: 2021-09-03 00:00 – Updated: 2024-08-04 02:44
VLAI
EPSS
VEX
Summary
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2011-4862 (GCVE-0-2011-4862)
Vulnerability from nvd – Published: 2011-12-25 01:00 – Updated: 2024-08-07 00:16Summary
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 allows remote attackers to execute arbitrary code via a long encryption key, as exploited in the wild in December 2011.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
42 references
Date Public
2011-12-23 00:00
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CVE-2026-32772 (GCVE-0-2026-32772)
Vulnerability from cvelistv5 – Published: 2026-03-13 21:01 – Updated: 2026-03-16 17:02
VLAI
EPSS
VEX
Summary
telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEW_ENVIRON SEND USERVAR.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-16 17:02 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
1 reference
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CVE-2026-32746 (GCVE-0-2026-32746)
Vulnerability from cvelistv5 – Published: 2026-03-13 17:15 – Updated: 2026-03-23 13:13
VLAI
EPSS
VEX
Summary
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.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-21 04:01 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
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CVE-2026-28372 (GCVE-0-2026-28372)
Vulnerability from cvelistv5 – Published: 2026-02-27 05:28 – Updated: 2026-03-07 17:05
VLAI
EPSS
VEX
Summary
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 to client control over the CREDENTIALS_DIRECTORY environment variable, and requires an unprivileged local user to create a login.noauth file.
Severity
7.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-27 00:00 UTC
CWE
- CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
9 references
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CVE-2026-24061 (GCVE-0-2026-24061)
Vulnerability from cvelistv5 – Published: 2026-01-21 06:42 – Updated: 2026-09-29 19:43Summary
telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-27 04:55 UTC
CWE
- CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Assigner
References
14 references
Impacted products
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CVE-2023-40303 (GCVE-0-2023-40303)
Vulnerability from cvelistv5 – Published: 2023-08-14 00:00 – Updated: 2024-08-02 18:31
VLAI
EPSS
VEX
Summary
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 call fails when a process is trying to drop privileges before letting an ordinary user control the activities of the process.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2022-39028 (GCVE-0-2022-39028)
Vulnerability from cvelistv5 – Published: 2022-08-30 00:00 – Updated: 2024-08-03 11:10
VLAI
EPSS
VEX
Summary
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 telnet service would remain available through inetd. However, if the telnetd application has many crashes within a short time interval, the telnet service would become unavailable after inetd logs a "telnet/tcp server failing (looping), service terminated" error. NOTE: MIT krb5-appl is not supported upstream but is shipped by a few Linux distributions. The affected code was removed from the supported MIT Kerberos 5 (aka krb5) product many years ago, at version 1.8.
Severity
No CVSS data available.
CWE
- n/a
Assigner
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"datePublished": "2022-08-30T00:00:00.000Z",
"dateReserved": "2022-08-30T00:00:00.000Z",
"dateUpdated": "2024-08-03T11:10:32.472Z",
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CVE-2021-40491 (GCVE-0-2021-40491)
Vulnerability from cvelistv5 – Published: 2021-09-03 00:00 – Updated: 2024-08-04 02:44
VLAI
EPSS
VEX
Summary
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2011-4862 (GCVE-0-2011-4862)
Vulnerability from cvelistv5 – Published: 2011-12-25 01:00 – Updated: 2024-08-07 00:16Summary
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 allows remote attackers to execute arbitrary code via a long encryption key, as exploited in the wild in December 2011.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
42 references
Date Public
2011-12-23 00:00
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