CVE-2015-7942: apple iphone_os

Vulnerability summary

CVE-2015-7942 is a medium (CVSS 6.8) vulnerability in apple iphone_os. EPSS estimates a 4.72% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 18-11-2015
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entities when it stops parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted XML data, a different vulnerability than CVE-2015-7941.

• 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.