CVE-2021-33481 Memory corruption in gocr
A stack-based buffer overflow in gocr allows attackers to execute arbitrary code or cause denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-33481?
CVE-2021-33481 is a high-severity memory corruption vulnerability in gocr, published on 17 Nov 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in try_to_divide_boxes() in pgm2asc.c.
Which versions are affected by CVE-2021-33481?
It affects 1 product.
Products include Optical Character Recognition Project Optical Character Recognition.
How do I fix CVE-2021-33481?
No fix has been published for CVE-2021-33481 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-2021-33481 being exploited?
There is no known exploitation of CVE-2021-33481 in the wild and no public exploit code.
Other vulnerabilities in gocr
Sources
Also known as DEBIAN-CVE-2021-33481, GHSA-wgmm-j5vp-vhxr, UBUNTU-CVE-2021-33481.