CVE-2023-46049 Null dereference in n/a
A crafted file can cause a null pointer dereference crash in llvm-lto, resulting in a denial of service for developers using the tool.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-46049?
CVE-2023-46049 is a medium-severity vulnerability in n/a, published on 27 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
LLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted pdflatex.fmt file (or perhaps a crafted .o file) to llvm-lto. NOTE: this is disputed because the relationship between pdflatex.fmt and any LLVM language front end is not explained, and because a crash of the llvm-lto application should be categorized as a usability problem.
Weakness: CWE-476
Which versions are affected by CVE-2023-46049?
How do I fix CVE-2023-46049?
No fix published yet.
Is CVE-2023-46049 being exploited?
There is no known exploitation of CVE-2023-46049 in the wild and no public exploit code.
Sources
Also known as GHSA-vggp-p864-ph99, OESA-2024-1481.