OSV-2022-139 Heap-use-after-free in nghttp2_http_record_request_method
A heap-use-after-free vulnerability in the nghttp2 library allows remote attackers to cause a denial of service or potentially execute arbitrary code.
- 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-2022-139?
OSV-2022-139 is an use after free vulnerability in curl, published on 11 Feb 2022. 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=44516
Crash type: Heap-use-after-free READ 4
Crash state:
nghttp2_http_record_request_method
nghttp2_session_mem_send_internal
nghttp2_session_send
Which versions are affected by OSV-2022-139?
1 open source package ship an affected version, including curl.
| Package | Affected | Fixed in |
|---|---|---|
curl OSS-Fuzz | All versions | None |
How do I fix OSV-2022-139?
No fix has been published for OSV-2022-139 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-2022-139 being exploited?
There is no known exploitation of OSV-2022-139 in the wild and no public exploit code.