Use After Free in Lexmark Perceptive Document Filters
CVE-2017-2821
An exploitable use-after-free exists in the PDF parsing functionality of Lexmark Perspective Document Filters 11.3.0.2400 and 11.4.0.2452. A crafted PDF document can lead to a use-after-free resulting in direct code execution.
Vulnerability class: Use-After-Free
EPSS: 0.023 (81.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Lexmark Perceptive Document Filters — versions 11.4.0.2452 - x86, 11.3.0.2400 - x86
- Lexmark Perceptive_document_filters — versions 11.3.0.2400, 11.4.0.2452
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- talos-cna@cisco.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-2821?
- CVE-2017-2821 is a high-severity vulnerability in Lexmark Perceptive Document Filters, classified under Use After Free. CVSS score: 8.8/10. Published 2017-09-05.
- How severe is CVE-2017-2821?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-2821 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.