CVE-2019-5427

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-776

Affected software

Vendor	Product	Versions
n/a	c3p0	before 0.9.5.4

References

https://hackerone.com/reports/509315Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4/Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlThird Party Advisory
https://hackerone.com/reports/509315Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4/Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlThird Party Advisory

Timeline

Published: Apr 22, 2019
Last modified: Jun 17, 2026
NVD status: Analyzed

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