DEBIAN-CVE-2026-5358

The obsolete nislocalprincipal function in the GNU C Library version 2.43 and older may overflow a buffer in the data section, which could allow an attacker to spoof a crafted response to a UDP request generated by this function and overwrite neighboring static data in the requesting application...

Linux Distros Unpatched Vulnerability : CVE-2026-5358

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The obsolete nislocalprincipal function in the GNU C Library version 2.43 and older may overflow a buffer in the data section, which could allow an attacker to...

PT-2026-37377

Name of the Vulnerable Software and Affected Versions gnutls versions prior to 3.8.13-1.1 Description Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key incorrectly match usernames containing a NUL character with truncated usernames. A remote attacker can exploit this by sendi...

Linux Distros Unpatched Vulnerability : CVE-2026-5450

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Calling the scanf family of functions with a %mc malloc'd character match in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an...

Linux Distros Unpatched Vulnerability : CVE-2026-5928

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character...

EUVD-2026-23980

Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character encodings, in the GNU C Library version 2.43 or earlier, may result in an attempt to read bytes before an allocated buffer, potentially...

EUVD-2026-23977

The obsolete nislocalprincipal function in the GNU C Library version 2.43 and older may overflow a buffer in the data section, which could allow an attacker to spoof a crafted response to a UDP request generated by this function and overwrite neighboring static data in the requesting application...

EUVD-2026-23978

Calling the scanf family of functions with a %mc malloc'd character match in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow...

CVE-2026-5928

Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character encodings, in the GNU C Library version 2.43 or earlier, may result in an attempt to read bytes before an allocated buffer, potentially...

CVE-2026-5358

Rejected reason: REJECTED: CVE-2026-5358 is rejected for two reasons. Firstly it has been discovered that no NIS+ client or server was ever released for any Linux-based OS distributions and as such this makes the API provisional and unused. Secondly it has been discovered that the NIS+ cold...

CVE-2026-5358

Rejected reason: REJECTED: CVE-2026-5358 is rejected for two reasons. Firstly it has been discovered that no NIS+ client or server was ever released for any Linux-based OS distributions and as such this makes the API provisional and unused. Secondly it has been discovered that the NIS+ cold...

CVE-2026-5450 scanf %mc off-by-one heap buffer overflow

Calling the scanf family of functions with a %mc malloc'd character match in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow...

CVE-2026-5450

Calling the scanf family of functions with a %mc malloc'd character match in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow...

CVE-2026-5450

The GNU C Library (glibc) versions 2.7 to 2.43 are vulnerable to a one-byte heap buffer overflow (CWE-122) when using the scanf family of functions with a %mc (malloc'd character match) format specifier and an explicit width greater than 1024 . This vulnerability is present in multiple products, ...

CVE-2026-5450 scanf %mc off-by-one heap buffer overflow

Calling the scanf family of functions with a %mc malloc'd character match in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow...

CVE-2026-5450

Calling the scanf family of functions with a %mc malloc'd character match in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow...

CVE-2026-5928 Potential buffer under-read in ungetwc

Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character encodings, in the GNU C Library version 2.43 or earlier, may result in an attempt to read bytes before an allocated buffer, potentially...

CVE-2026-5928

Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character encodings, in the GNU C Library version 2.43 or earlier, may result in an attempt to read bytes before an allocated buffer, potentially...

CVE-2026-5928

The GNU C Library (glibc) , version 2.43 or earlier, contains a bug in the wide character pushback implementation (_IO_wdefault_pbackfail in libio/wgenops.c ). This flaw causes the ungetwc() function to operate on the regular character buffer (fp->_IO_read_ptr ) instead of the correct wide-str...

CVE-2026-5928

Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character encodings, in the GNU C Library version 2.43 or earlier, may result in an attempt to read bytes before an allocated buffer, potentially...