CVE-2021-26195 Memory corruption in n/a
Heap-buffer-overflow in JerryScript lexer allows attackers to execute arbitrary code or cause denial of service.
- 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 CVE-2021-26195?
CVE-2021-26195 is a high-severity memory corruption vulnerability in Jerryscript Jerryscript, published on 10 Jun 2021. 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
An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.
Weakness: CWE-787
Which versions are affected by CVE-2021-26195?
It affects 1 product.
Products include Jerryscript Jerryscript.
How do I fix CVE-2021-26195?
No fix has been published for CVE-2021-26195 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 CVE-2021-26195 being exploited?
There is no known exploitation of CVE-2021-26195 in the wild and no public exploit code.
Other vulnerabilities in Jerryscript Jerryscript
Sources
Also known as GHSA-cwvq-w8fq-x88c, UBUNTU-CVE-2021-26195.