CVE-2016-9969 Use after free in n/a
A double free vulnerability in libwebpmux allows attackers to cause denial of service or potentially execute arbitrary code via crafted WebP files.
- 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-2016-9969?
CVE-2016-9969 is a high-severity use after free vulnerability in n/a, published on 23 May 2019. 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
In libwebp 0.5.1, there is a double free bug in libwebpmux.
Weakness: CWE-415
Which versions are affected by CVE-2016-9969?
It affects 1 product.
Linux distribution packages (4)
libwebp SUSE:Linux Enterprise Module for Package Hub 15 SP6 | All versions | 0.5.0-150000.3.17.1 |
libwebp SUSE:Linux Enterprise Module for Package Hub 15 SP7 | All versions | 0.5.0-150000.3.17.1 |
libwebp SUSE:Linux Enterprise Workstation Extension 15 SP6 | All versions | 0.5.0-150000.3.17.1 |
libwebp SUSE:Linux Enterprise Workstation Extension 15 SP7 | All versions | 0.5.0-150000.3.17.1 |
Products include Webmproject Libwebp.
How do I fix CVE-2016-9969?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2016-9969 being exploited?
There is no known exploitation of CVE-2016-9969 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2016-9969, GHSA-fhhw-9rjc-7m26, SUSE-SU-2025:01639-1, SUSE-SU-2025:01639-2, UBUNTU-CVE-2016-9969.