CVE-2009-4117: sumatrapdfreader sumatrapdf

Vulnerability summary

CVE-2009-4117 is a high (CVSS 9.3) vulnerability in sumatrapdfreader sumatrapdf. EPSS estimates a 7.78% chance of exploitation in the next 30 days, higher than 94.6% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 01-12-2009
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

Multiple stack-based buffer overflows in pdf_shade4.c in MuPDF before commit 20091125231942, as used in SumatraPDF before 1.0.1, allow remote attackers to cause a denial of service and possibly execute arbitrary code via a /Decode array for certain types of shading that are not properly handled by the (1) pdf_loadtype4shade, (2) pdf_loadtype5shade, (3) pdf_loadtype6shade, and (4) pdf_loadtype7shade functions. NOTE: some of these details are obtained from third party information.

• 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.