CVE-2019-5427: fedoraproject fedora XML Entity Expansion
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2019-5427USN-5293-1USN-5293-2USN-7571-1DEBIAN-CVE-2019-5427openSUSE-SU-2024:11961-1GHSA-84p2-vf58-xhxv
Published 22-04-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-5427 is a high (CVSS 7.5) XML Entity Expansion vulnerability in fedoraproject fedora. EPSS estimates a 4.88% chance of exploitation in the next 30 days, higher than 91.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
4.88%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 22-04-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · MavenEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
4.88%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
0.00 pp
From 4.88% on 19-09-2026
19-09-202619-10-2026
EPSS score4.88%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Oracle9 products
- communications_ip_service_activator7.3.0 | 7.4.0
- communications_session_route_manager≥ 8.2.0, ≤ 8.2.2
- documaker≥ 12.6.0, ≤ 12.6.6
- enterprise_manager_base_platform13.2.1.0
- enterprise_manager_ops_center12.4.0.0
Com.mchange1 product
- c3p0< 0.9.5.4
Debian1 product
- c3p0< 0.9.1.2-10.1~deb12u1 | < 0.9.1.2-10.1
Fedoraproject1 product
- fedoraEOL29 | 30
Mchange1 product
- c3p0< 0.9.5.4
Opensuse1 product
- c3p0&distro=openSUSE Tumbleweed< 0.9.5.5-2.1
Ubuntu1 product
- c3p0< 0.9.1.2-10ubuntu1 | < 0.9.1.2-9+deb8u1ubuntu0.18.04.1 | < 0.9.1.2-10ubuntu0.20.04.1 | < 0.9.1.2-9+deb8u1ubuntu0.16.04.1~esm1 | < 0.9.1.2-9+deb8u1ubuntu0.14.04.1~esm1
7 vendors · 15 products
