OSV-2023-1263 Heap-buffer-overflow in js_is_live_code
A heap-buffer-overflow in the JavaScript engine allows attackers to execute arbitrary code or cause denial of service via crafted scripts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2023-1263?
OSV-2023-1263 is a memory corruption vulnerability in quickjs, published on 7 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64726
Crash type: Heap-buffer-overflow READ 1
Crash state:
js_is_live_code
js_parse_statement_or_decl
js_parse_block
Which versions are affected by OSV-2023-1263?
1 open source package ship an affected version, including quickjs.
| Package | Affected | Fixed in |
|---|---|---|
quickjs OSS-Fuzz | All versions | None |
How do I fix OSV-2023-1263?
No fix has been published for OSV-2023-1263 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-2023-1263 being exploited?
There is no known exploitation of OSV-2023-1263 in the wild and no public exploit code.