CVE-2022-34503
CVE-2022-34503 is a medium-severity vulnerability in Qpdf Project Qpdf with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Qpdf Project Qpdf
- Published:
- Last modified:
Description
QPDF v8.4.2 was discovered to contain a heap buffer overflow via the function QPDF::processXRefStream. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.
Frequently asked questions
- What is CVE-2022-34503?
- QPDF v8.4.2 was discovered to contain a heap buffer overflow via the function QPDF::processXRefStream. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.
- How severe is CVE-2022-34503?
- CVE-2022-34503 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-34503 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-34503?
- CVE-2022-34503 affects Qpdf Project Qpdf. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-34503?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-34503 published?
- CVE-2022-34503 was published on 2022-07-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:qpdf_project:qpdf:8.4.2:*:*:*:*:*:*:*
More vulnerabilities in Qpdf Project Qpdf
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- CVE-2021-36978 — Medium (CVSS 5.5): QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called…
- CVE-2017-18186 — Medium (CVSS 5.5): An issue was discovered in QPDF before 7.0.0. There is an infinite loop due to looping xref tables in QPDF.cc.
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