CVE-2021-39823 svg-native-viewer Heap Buffer overflow Vulnerability
Heap buffer overflow in Adobe svg-native-viewer allows arbitrary code execution via malicious SVG files, requiring user interaction.
- 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-2021-39823?
CVE-2021-39823 is a high-severity memory corruption vulnerability in Adobe SVG Native Viewer, published on 27 Sep 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
Adobe svg-native-viewer 8182d14dfad5d1e10f53ed830328d7d9a3cfa96d and earlier versions are affected by a heap buffer overflow vulnerability due to insecure handling of a malicious .svg file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
Weakness: CWE-122
Which versions are affected by CVE-2021-39823?
It affects 1 product.
Products include Adobe Svg-Native-Viewer.
How do I fix CVE-2021-39823?
No fix has been published for CVE-2021-39823 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-2021-39823 being exploited?
There is no known exploitation of CVE-2021-39823 in the wild and no public exploit code.
Sources
Also known as GHSA-62gh-7323-4v89.