OSV-2021-1371 Heap-use-after-free in dispatch_print_error
A heap-use-after-free vulnerability in the OpenEXR library allows attackers to cause a denial of service or potentially execute arbitrary code via crafted files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2021-1371?
OSV-2021-1371 is an use after free vulnerability in openexr, published on 26 Sep 2021.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39212
Crash type: Heap-use-after-free READ 6
Crash state:
dispatch_print_error
internal_exr_parse_header
exr_start_read
Which versions are affected by OSV-2021-1371?
1 open source package ship an affected version, including openexr.
| Package | Affected | Fixed in |
|---|---|---|
openexr OSS-Fuzz | All versions | None |
How do I fix OSV-2021-1371?
No fix has been published for OSV-2021-1371 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-2021-1371 being exploited?
There is no known exploitation of OSV-2021-1371 in the wild and no public exploit code.