CVE-2019-5481: debian debian_linux Double Free
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2019-5481UBUNTU-CVE-2019-5481DEBIAN-CVE-2019-5481
Published 16-09-2019Last modified 14-10-2026
Vulnerability summary
CVE-2019-5481 is a critical (CVSS 9.8) Double Free vulnerability in debian debian_linux. EPSS estimates a 7.46% chance of exploitation in the next 30 days, higher than 94.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
7.46%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 6Timeline
- 16-09-2019PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
Double-free vulnerability in the FTP-kerberos code in cURL 7.52.0 to 7.65.3.
CVSS metrics
6 scores · 5 sources · 2 versionsCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
7.46%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 7.46% on 18-09-2026
18-09-202618-10-2026
EPSS score7.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle5 products
- communications_operations_monitor3.4 | 4.0 | 4.1 | 4.2 | 4.3
- communications_session_border_controller8.3 | 8.4
- enterprise_manager_ops_center12.3.3 | 12.4.0
- mysql_server≥ 5.7.0, ≤ 5.7.28 | ≥ 8.0.0, ≤ 8.0.18
- oss_support_tools20.0
Netapp3 products
Debian2 products
- curl< 7.66.0-1
- debian_linuxEOL9.0 | 10.0
Alpine1 product
- curl≥ 7.52.0, < 7.66.0-r0 | ≥ 7.52.0, < 7.61.1-r3 | ≥ 7.52.0, < 7.64.0-r3
Fedoraproject1 product
- fedoraEOL29 | 30 | 31
Haxx1 product
- curl≥ 7.52.0, ≤ 7.65.3
Opensuse1 product
- leapEOL15.0 | 15.1
Ubuntu1 product
- curl< 7.58.0-2ubuntu3.8
8 vendors · 15 products
References
19 links- lists.opensuse.org/opensuse-security-announce/2019-09/msg00048.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00055.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
