OSV-2024-1348 Heap-buffer-overflow in glslang::HlslGrammar::acceptDeclaration

Not scored Published

A heap buffer overflow in the glslang library allows attackers to cause a denial of service via crafted shader input.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Not stated
Victim action needed
Not needed
Fix
None listed

What is OSV-2024-1348?

OSV-2024-1348 is a memory corruption vulnerability in shaderc, published on 10 Dec 2024.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=382721848

Crash type: Heap-buffer-overflow READ 1
Crash state:
glslang::HlslGrammar::acceptDeclaration
glslang::HlslGrammar::acceptCompilationUnit
glslang::HlslParseContext::parseShaderStrings

Which versions are affected by OSV-2024-1348?

1 open source package ship an affected version, including shaderc.

PackageAffectedFixed in
shaderc OSS-FuzzAll versionsNone

How do I fix OSV-2024-1348?

No fix has been published for OSV-2024-1348 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is OSV-2024-1348 being exploited?

There is no known exploitation of OSV-2024-1348 in the wild and no public exploit code.

Sources

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