CVE-2019-5427 describes a denial-of-service vulnerability in c3p0 versions prior to 0.9.5.4, affecting products like fedoraproject, mchange, and Oracle. This flaw allows a remote, unauthenticated attacker to trigger a "billion laughs" attack by exploiting missing protections against recursive entity expansion when loading XML configuration. With a CVSS score of 7.5 (High), the vulnerability can lead to high availability impact due to resource exhaustion. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.9.5.4CPE matchmatch criteria | cpe:2.3:a:mchange:c3p0:*:*:*:*:*:*:*:* | ||
29CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | ||
30CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | ||
7.3.0CPE matchmatch criteria | cpe:2.3:a:oracle:communications_ip_service_activator:7.3.0:*:*:*:*:*:*:* | ||
7.4.0CPE matchmatch criteria | cpe:2.3:a:oracle:communications_ip_service_activator:7.4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.