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CVE-2019-5066

32
FAUCET Score

CVE-2019-5066 is a critical use-after-free vulnerability affecting Aspose.PDF 19.2 for C++, specifically in its handling of LZW-compressed PDF streams. This flaw allows a specially crafted PDF document to cause a dangling heap pointer, leading to a use-after-free condition. With a CVSS score of 9.8, it poses a severe risk, enabling potential complete compromise of confidentiality, integrity, and availability without user interaction. While there is no evidence of active exploitation or publicly available exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion and media attention, indicating awareness within the cybersecurity landscape.

Impacted Technologies

VendorProductVersion(s)CPE
19.2CPE matchmatch criteria
cpe:2.3:a:aspose:aspose.pdf_for_c\+\+:19.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.38%
Probability of exploitation in next 30 days
EPSS Percentile
82.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0238 is in the 72nd percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

talosintelligence.com / vulnerability_reports/TALOS-2019-0855
ExploitThird Party Advisory