CVE-2021-3888 Use of Out-of-range Pointer Offset in bfabiszewski/libmobi
An out-of-range pointer offset in libmobi can lead to memory corruption, potentially allowing code execution or 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-2021-3888?
CVE-2021-3888 is a high-severity memory corruption vulnerability in bfabiszewski/libmobi, published on 19 Oct 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
libmobi is vulnerable to Use of Out-of-range Pointer Offset
Which versions are affected by CVE-2021-3888?
It affects 1 product.
Products include Libmobi Project Libmobi.
How do I fix CVE-2021-3888?
No fix has been published for CVE-2021-3888 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-2021-3888 being exploited?
There is no known exploitation of CVE-2021-3888 in the wild and no public exploit code.
Other vulnerabilities in bfabiszewski/libmobi
Sources
Also known as GHSA-3mp7-wcrh-r295.