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USN-6258-1: LLVM Toolchain vulnerabilities

27 July 2023

Several security issues were fixed in LLVM Toolchain.

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Details

It was discovered that LLVM Toolchain did not properly manage memory under
certain circumstances. If a user were tricked into opening a specially
crafted MLIR file, an attacker could possibly use this issue to cause LLVM
Toolchain to crash, resulting in a denial of service. (CVE-2023-29932,
CVE-2023-29934, CVE-2023-29939)

It was discovered that LLVM Toolchain did not properly manage memory under
certain circumstances. If a user were tricked into opening a specially
crafted MLIR file, an attacker could possibly use this issue to cause LLVM
Toolchain to crash, resulting in a denial of service. This issue only
affected llvm-toolchain-15. (CVE-2023-29933)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro