87 matches found
CVE-2026-4438
The CVE-2026-4438 issue affects the GNU C Library (glibc) gethostbyaddr/gethostbyaddr_r when NSSwitch DNS backend is configured; versions 2.34–2.43 may return invalid DNS hostnames. Impact per sources is a DNS-spec violation; no exploitation details are provided in the documents. A patched versio...
CVE-2026-4438 gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames
Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification...
CVE-2026-4438
Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification...
CVE-2026-4438 gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames
Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification...
CVE-2026-4438 gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames
Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification...
CVE-2026-4437
CVE-2026-4437 concerns glibc’s DNS response parsing. According to the initial document, calling gethostbyaddr/gethostbyaddr_r with a configured nsswitch.conf DNS backend in GNU C Library versions 2.34–2.43 can yield a crafted DNS response that violates the DNS specification, causing the applicati...
CVE-2026-4437 gethostbyaddr and gethostbyaddr_r may incorrectly handle DNS response
Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...
CVE-2026-4437
Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...
CVE-2026-4437 gethostbyaddr and gethostbyaddr_r may incorrectly handle DNS response
Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...
CVE-2026-4437 gethostbyaddr and gethostbyaddr_r may incorrectly handle DNS response
Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...
CVE-2026-4437
Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...
Linux Distros Unpatched Vulnerability : CVE-2026-4437
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2....
GNU C Library 安全漏洞
The GNU C Library is an open-source, free C programming language library published by the GNU community under the LGPL license. Versions of the GNU C Library 2.34 to 2.43 contained security vulnerabilities. These vulnerabilities occurred because the gethostbyaddr or gethostbyaddrr functions might...
GNU C Library 安全漏洞
The GNU C Library is an open-source, free C programming language library published by the GNU community under the LGPL license. Versions of the GNU C Library 2.34 to 2.43 contain security vulnerabilities. These vulnerabilities arise from the gethostbyaddr or gethostbyaddrr functions potentially...
Linux Distros Unpatched Vulnerability : CVE-2026-4438
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2....
PT-2026-26670
Name of the Vulnerable Software and Affected Versions GNU C Library versions 2.34 through 2.43 Description The GNU C Library contains a flaw where calling the gethostbyaddr or gethostbyaddr r functions with a specific nsswitch.conf configuration utilizing the library’s DNS backend may lead to a...
PT-2026-26671
Name of the Vulnerable Software and Affected Versions GNU C library versions 2.34 through 2.43 Description The GNU C library’s gethostbyaddr and gethostbyaddr r functions, when used with a configured nsswitch.conf file specifying the library’s DNS backend, may return invalid DNS hostnames. This...
EUVD-2001-0207
Malware in sbrugna...
