OSV-2023-1329 Stack-buffer-overflow in decNaNs

Not scored Published

A stack buffer overflow in the decNaNs function allows attackers to potentially execute arbitrary code or cause a denial of service.

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

What is OSV-2023-1329?

OSV-2023-1329 is a memory corruption vulnerability in jq, published on 18 Dec 2023.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65130

Crash type: Stack-buffer-overflow WRITE 2
Crash state:
decNaNs
decCompareOp
decNumberCompare

Which versions are affected by OSV-2023-1329?

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

PackageAffectedFixed in
jq OSS-FuzzAll versionsNone

How do I fix OSV-2023-1329?

No fix has been published for OSV-2023-1329 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-2023-1329 being exploited?

There is no known exploitation of OSV-2023-1329 in the wild and no public exploit code.

Sources

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