CVE-2021-25786
MEDIUMCVSS 5.3/10EPSS 0.50%
Last modified
CVE-2021-25786 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An issue was discovered in QPDF version 10.0.4, allows remote attackers to execute arbitrary code via crafted .pdf file to Pl_ASCII85Decoder::write parameter in libqpdf.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
Description
An issue was discovered in QPDF version 10.0.4, allows remote attackers to execute arbitrary code via crafted .pdf file to Pl_ASCII85Decoder::write parameter in libqpdf.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qpdf Project | Qpdf | 10.0.4 |
References
- https://github.com/qpdf/qpdf/issues/492Exploit, Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2023/08/msg00037.htmlMailing List, Third Party Advisory
- https://github.com/qpdf/qpdf/issues/492Exploit, Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2023/08/msg00037.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-25786?
An issue was discovered in QPDF version 10.0.4, allows remote attackers to execute arbitrary code via crafted .pdf file to Pl_ASCII85Decoder::write parameter in libqpdf.
How severe is CVE-2021-25786?
CVE-2021-25786 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2021-25786?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-25786?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST