CVE-2024-24246: qpdf · n/a
Affects qpdfSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Feb 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Fedorafedora/qpdfpkg:rpm/fedora/qpdfOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
1. Restrict access to systems running qpdf 11.9.0 to trusted users only and limit exposure to untrusted PDF files. 2. Implement strict input validation and sandboxing for PDF files before processing with qpdf to prevent malicious files from triggering the vulnerability. 3. Monitor application logs and system behavior for crashes or abnormal terminations related to qpdf processes to detect potential exploitation attempts. 4. Employ endpoint protection solutions that can detect anomalous behavior or heap corruption indicative of exploitation. 5. Maintain an inventory of qpdf usage across the organization to identify vulnerable instances. 6. Prepare to apply patches or updates promptly once the qpdf maintainers release a fix for this vulnerability. 7. Educate users about the risks of opening untrusted PDF files and enforce policies to minimize user interaction with potentially malicious documents. 8. Consider alternative PDF processing tools with no known vulnerabilities if immediate patching is not feasible.
Description
Heap Buffer Overflow vulnerability in qpdf 11.9.0 allows attackers to crash the application via the std::__shared_count() function at /bits/shared_ptr_base.h.
References
- github.com/qpdf/qpdf/issues/1123 (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX3D3YCNS6CQL3774OFUROLP3EM25ILC/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4WLK6ICPJUMOJNHZQWXAA5MPXG5JHZZL/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3N6TULMEYVCLXO47Y5W4VWCJMSB72CB/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3N6TULMEYVCLXO47Y5W4VWCJMSB72CB/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FX3D3YCNS6CQL3774OFUROLP3EM25ILC/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4WLK6ICPJUMOJNHZQWXAA5MPXG5JHZZL/ (opens in a new tab)