OSV-2024-103 Heap-use-after-free in xmlRemoveID
A heap-use-after-free vulnerability in the XML parsing library allows attackers to cause denial of service or potentially execute code via crafted XML input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2024-103?
OSV-2024-103 is an use after free vulnerability in libxml2, published on 15 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66679
Crash type: Heap-use-after-free READ 4
Crash state:
xmlRemoveID
xmlFreeProp
xmlFreeNode
Which versions are affected by OSV-2024-103?
1 open source package ship an affected version, including libxml2.
| Package | Affected | Fixed in |
|---|---|---|
libxml2 OSS-Fuzz | All versions | None |
How do I fix OSV-2024-103?
No fix has been published for OSV-2024-103 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is OSV-2024-103 being exploited?
There is no known exploitation of OSV-2024-103 in the wild and no public exploit code.