CVE-2020-36407 Memory corruption in n/a
An out-of-bounds write in libavif allows attackers to execute arbitrary code or cause denial of service via crafted AVIF images.
- 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
- Available
What is CVE-2020-36407?
CVE-2020-36407 is a high-severity memory corruption vulnerability in n/a, published on 1 Jul 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
libavif 0.8.0 and 0.8.1 has an out-of-bounds write in avifDecoderDataFillImageGrid.
Weakness: CWE-787
Which versions are affected by CVE-2020-36407?
1 open source package ship an affected version, including avif. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
avif PyPI | All versions to 0.8.0 | None |
Products include Aomedia Libavif.
How do I fix CVE-2020-36407?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-36407 being exploited?
There is no known exploitation of CVE-2020-36407 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2020-36407, GHSA-5fvj-fm55-q8qx, PYSEC-2021-892.