In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "0.9.15-1ubuntu0.1~esm2", "binary_name": "musl" }, { "binary_version": "0.9.15-1ubuntu0.1~esm2", "binary_name": "musl-dev" }, { "binary_version": "0.9.15-1ubuntu0.1~esm2", "binary_name": "musl-tools" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.1.9-1ubuntu0.1~esm3", "binary_name": "musl" }, { "binary_version": "1.1.9-1ubuntu0.1~esm3", "binary_name": "musl-dev" }, { "binary_version": "1.1.9-1ubuntu0.1~esm3", "binary_name": "musl-tools" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.1.19-1ubuntu0.1~esm1", "binary_name": "musl" }, { "binary_version": "1.1.19-1ubuntu0.1~esm1", "binary_name": "musl-dbgsym" }, { "binary_version": "1.1.19-1ubuntu0.1~esm1", "binary_name": "musl-dev" }, { "binary_version": "1.1.19-1ubuntu0.1~esm1", "binary_name": "musl-tools" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.1.24-1ubuntu0.1~esm1", "binary_name": "musl" }, { "binary_version": "1.1.24-1ubuntu0.1~esm1", "binary_name": "musl-dbgsym" }, { "binary_version": "1.1.24-1ubuntu0.1~esm1", "binary_name": "musl-dev" }, { "binary_version": "1.1.24-1ubuntu0.1~esm1", "binary_name": "musl-tools" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.2.2-4", "binary_name": "musl" }, { "binary_version": "1.2.2-4", "binary_name": "musl-dbgsym" }, { "binary_version": "1.2.2-4", "binary_name": "musl-dev" }, { "binary_version": "1.2.2-4", "binary_name": "musl-tools" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.2.3-1", "binary_name": "musl" }, { "binary_version": "1.2.3-1", "binary_name": "musl-dbgsym" }, { "binary_version": "1.2.3-1", "binary_name": "musl-dev" }, { "binary_version": "1.2.3-1", "binary_name": "musl-tools" } ] }