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. (CVE-2016-10228, CVE-2019-25013, CVE-2020-27618, CVE-2020-29562, CVE-2021-3326)
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. (CVE-2020-6096)
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. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-27645)
It was discovered that the GNU C Library wordexp function incorrectly handled certain patterns. An attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-35942)
It was discovered that the GNU C Library realpath function incorrectly handled return values. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 21.10. (CVE-2021-3998)
It was discovered that the GNU C library getcwd function incorrectly handled buffers. An attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-3999)
It was discovered that the GNU C Library sunrpc module incorrectly handled buffer lengths. An attacker could possibly use this issue to cause the GNU C Library to crash, resulting in a denial of service. (CVE-2022-23218, CVE-2022-23219)
{ "availability": "No subscription required", "binaries": [ { "libc6-s390-dbgsym": "2.27-3ubuntu1.5", "libc6-dev": "2.27-3ubuntu1.5", "multiarch-support": "2.27-3ubuntu1.5", "libc6-dev-s390": "2.27-3ubuntu1.5", "libc6-dev-i386": "2.27-3ubuntu1.5", "locales-all": "2.27-3ubuntu1.5", "libc6-amd64-dbgsym": "2.27-3ubuntu1.5", "libc6-pic": "2.27-3ubuntu1.5", "glibc-source": "2.27-3ubuntu1.5", "libc6-dev-amd64": "2.27-3ubuntu1.5", "nscd-dbgsym": "2.27-3ubuntu1.5", "nscd": "2.27-3ubuntu1.5", "glibc-doc": "2.27-3ubuntu1.5", "libc6-armel": "2.27-3ubuntu1.5", "libc6-armel-dbgsym": "2.27-3ubuntu1.5", "libc6": "2.27-3ubuntu1.5", "libc6-dbg": "2.27-3ubuntu1.5", "libc-bin": "2.27-3ubuntu1.5", "libc6-i386": "2.27-3ubuntu1.5", "libc6-udeb": "2.27-3ubuntu1.5", "libc6-dev-x32": "2.27-3ubuntu1.5", "libc-bin-dbgsym": "2.27-3ubuntu1.5", "libc-dev-bin": "2.27-3ubuntu1.5", "libc6-amd64": "2.27-3ubuntu1.5", "libc6-x32": "2.27-3ubuntu1.5", "libc6-s390": "2.27-3ubuntu1.5", "libc6-dev-armel": "2.27-3ubuntu1.5", "libc6-i386-dbgsym": "2.27-3ubuntu1.5", "locales": "2.27-3ubuntu1.5", "libc6-lse": "2.27-3ubuntu1.5", "libc-dev-bin-dbgsym": "2.27-3ubuntu1.5", "libc6-x32-dbgsym": "2.27-3ubuntu1.5" } ] }
{ "availability": "No subscription required", "binaries": [ { "libc6-s390-dbgsym": "2.31-0ubuntu9.7", "libc6-dev": "2.31-0ubuntu9.7", "libc6-dev-s390": "2.31-0ubuntu9.7", "libc6-dev-i386": "2.31-0ubuntu9.7", "locales-all": "2.31-0ubuntu9.7", "libc6-amd64-dbgsym": "2.31-0ubuntu9.7", "libc6-pic": "2.31-0ubuntu9.7", "glibc-source": "2.31-0ubuntu9.7", "libc6-dev-amd64": "2.31-0ubuntu9.7", "nscd-dbgsym": "2.31-0ubuntu9.7", "nscd": "2.31-0ubuntu9.7", "glibc-doc": "2.31-0ubuntu9.7", "libc6-armel": "2.31-0ubuntu9.7", "libc6-armel-dbgsym": "2.31-0ubuntu9.7", "libc6": "2.31-0ubuntu9.7", "libc6-dbg": "2.31-0ubuntu9.7", "libc-bin": "2.31-0ubuntu9.7", "libc6-i386": "2.31-0ubuntu9.7", "libc6-udeb": "2.31-0ubuntu9.7", "libc6-dev-x32": "2.31-0ubuntu9.7", "libc-bin-dbgsym": "2.31-0ubuntu9.7", "libc-dev-bin": "2.31-0ubuntu9.7", "libc6-amd64": "2.31-0ubuntu9.7", "libc6-x32": "2.31-0ubuntu9.7", "libc6-prof": "2.31-0ubuntu9.7", "libc6-s390": "2.31-0ubuntu9.7", "libc6-dev-armel": "2.31-0ubuntu9.7", "libc6-i386-dbgsym": "2.31-0ubuntu9.7", "locales": "2.31-0ubuntu9.7", "libc6-lse": "2.31-0ubuntu9.7", "libc-dev-bin-dbgsym": "2.31-0ubuntu9.7", "libc6-x32-dbgsym": "2.31-0ubuntu9.7" } ] }