Critical severity · published May 22, 2016
CVE-2016-4543
The exif_process_IFD_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate IFD sizes, which allows remote attackers…
9.8
CVSS
11.9%
EPSS
No
On KEV
Description
The exif_process_IFD_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate IFD sizes, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)11.9% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
through 5.5.34; 5.6.0; 5.6.1; 5.6.2; 5.6.3; 5.6.4; +22 more · source: NVD
FE
Fedora · Fedoraproject
24 · source: NVD
LE
Leap · Opensuse
42.1 · source: NVD
SM
System Management Homepage · HP
through 7.5.5.6 · source: NVD