Servers and applications
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 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.
- Severity
- Medium 6.4
- Published
- 29 Nov 2011
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 14 Oct 2026
- Fixed in
- 5.3.9
- Exploit chance
- 6.6% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- CWE-189
- Attack
- Over the network · No login needed
- Attacker can
- Read some data · Slow it down
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:P- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
PHPServers and applications · cpe:a:php:php |
|