CVE-2016-4543: fedoraproject fedora

Vulnerability summary

CVE-2016-4543 is a critical (CVSS 9.8) vulnerability in fedoraproject fedora. EPSS estimates a 11.86% chance of exploitation in the next 30 days, higher than 96% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 22-05-2016
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.