CVE-2023-26930: xpdfreader xpdf Classic Buffer Overflow

Vulnerability summary

CVE-2023-26930 is a medium (CVSS 5.5) Classic Buffer Overflow vulnerability in xpdfreader xpdf. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.5% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 26-04-2023
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability found in XPDF v.4.04 allows an attacker to cause a Denial of Service via the PDFDoc malloc in the pdftotext.cc function. NOTE: Vendor states “it's an expected abort on out-of-memory error.”

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.