Ubuntu Security Notice 5699-1 - Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An attacker could possibly use this issue to cause the GNU C Library to hang or crash, resulting in a denial of service. It was discovered that the GNU C Library nscd daemon incorrectly handled certain netgroup lookups. An attacker could possibly use this issue to cause the GNU C Library to crash, resulting in a denial of service.
147855b038f48991c374fe1a00958b8946511505d650a498f3ae7dbf1c51de72Gentoo Linux Security Advisory 202208-24 - Multiple vulnerabilities have been discovered in the GNU C Library, the worst of which could result in denial of service. Versions less than 2.34 are affected.
af7352ecdab5828d81648506322e455108d6ee3f3c403d438fc546db5c2b433cUbuntu Security Notice 5310-1 - Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An attacker could possibly use this issue to cause the GNU C Library to hang or crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Jason Royes and Samuel Dytrych discovered that the GNU C Library incorrectly handled signed comparisons on ARMv7 targets. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
0c11352a9e9620a9d78b56edf5a195481c3c772b41e829e66010783e0ca89f70Red Hat Security Advisory 2021-4358-03 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a use-after-free vulnerability.
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