What’s Vulnerable › Vulnerabilities
CVE-2019-11932
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 44.5% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-10-03 · updated 2026-06-17
- Weakness: CWE-415
Description
A double free vulnerability in the DDGifSlurp function in decoding.c in the android-gif-drawable library before version 1.2.18, as used in WhatsApp for Android before version 2.19.244 and many other Android applications, allows remote attackers to execute arbitrary code or cause a denial of service when the library is used to parse a specially crafted GIF image.
Affected products
- Android-Gif-Drawable Project Android-Gif-Drawable: before 1.2.18 — fixed in 1.2.18
- Facebook WhatsApp for Android: before 2.19.244 — fixed in 2.19.244
How to fix
Upgrade to a fixed version: Android-Gif-Drawable Project Android-Gif-Drawable 1.2.18; Facebook WhatsApp for Android 2.19.244. Check the vendor advisory for mitigations.
References
- http://packetstormsecurity.com/files/154867/Whatsapp-2.19.216-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/158306/WhatsApp-android-gif-drawable-Double-Free.html
- http://seclists.org/fulldisclosure/2019/Nov/27
- https://awakened1712.github.io/hacking/hacking-whatsapp-gif-rce/
- https://gist.github.com/wdormann/874198c1bd29c7dd2157d9fc1d858263
- https://github.com/koral--/android-gif-drawable/commit/cc5b4f8e43463995a84efd594f89a21f906c2d20
- https://github.com/koral--/android-gif-drawable/pull/673
- https://github.com/koral--/android-gif-drawable/pull/673/commits/4944c92761e0a14f04868cbcf4f4e86fd4b7a4a9
- https://www.facebook.com/security/advisories/cve-2019-11932
- http://packetstormsecurity.com/files/154867/Whatsapp-2.19.216-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/158306/WhatsApp-android-gif-drawable-Double-Free.html
- http://seclists.org/fulldisclosure/2019/Nov/27
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