Medium severity · published Jul 22, 2022
CVE-2022-34503
QPDF v8.4.2 was discovered to contain a heap buffer overflow via the function QPDF::processXRefStream
6.5
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QP
Qpdf · Qpdf Project
8.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-34503
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-34503
Exploit
https://github.com/qpdf/qpdf/issues/701
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