CVE-2019-9877: xpdfreader xpdf Out-of-bounds Read

Vulnerability summary

CVE-2019-9877 is a high (CVSS 7.8) Out-of-bounds Read vulnerability in xpdfreader xpdf. EPSS estimates a 1.14% chance of exploitation in the next 30 days, higher than 66.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 19-03-2019
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

There is an invalid memory access vulnerability in the function TextPage::findGaps() located at TextOutputDev.c in Xpdf 4.01, which can (for example) be triggered by sending a crafted pdf file to the pdftops binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.