CVE-2019-5482: debian debian_linux Heap-based Buffer Overflow
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2019-5482SUSE-SU-2019:14172-1SUSE-SU-2019:2339-2RHSA-2020:3916RHSA-2021:0759RHSA-2021:0877RHSA-2021:1027UBUNTU-CVE-2019-5482USN-4129-2DEBIAN-CVE-2019-5482DLA-1917-1
Published 16-09-2019Last modified 14-10-2026
Vulnerability summary
CVE-2019-5482 is a critical (CVSS 9.8) Heap-based Buffer Overflow vulnerability in debian debian_linux. EPSS estimates a 17.94% chance of exploitation in the next 30 days, higher than 97.1% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
17.94%
0%100%
Medium · 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
Heap buffer overflow in the TFTP protocol handler in cURL 7.19.4 to 7.65.3.
CVSS metrics
7 scores · 6 sources · 3 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
Medium 6.3Preferred score · OSV · Red hat (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
17.94%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 17.94% on 18-09-2026
18-09-202618-10-2026
EPSS score17.94%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Suse17 products
- curl-openssl1&distro=SUSE Linux Enterprise Server 11-SECURITY< 7.37.0-70.44.1
- curl&distro=HPE Helion OpenStack 8< 7.37.0-37.43.1
- curl&distro=SUSE Enterprise Storage 4< 7.37.0-37.43.1
- curl&distro=SUSE Enterprise Storage 5< 7.37.0-37.43.1
- curl&distro=SUSE Linux Enterprise Point of Sale 11 SP3< 7.37.0-70.44.1
Oracle7 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
- http_server12.2.1.3.0 | 12.2.1.4.0
- hyperion_essbase11.1.2.4
Netapp6 products
- cloud_backupna
- oncommand_insightna
- oncommand_unified_manager≥ 7.3 (No fix recorded) | ≥ 9.5 (No fix recorded)
- oncommand_workflow_automationna
- snapcenterna
Redhat4 products
- curl< 0:7.29.0-59.el7 | < 0:7.29.0-42.el7_4.3 | < 0:7.29.0-51.el7_6.4 | < 0:7.29.0-54.el7_7.4
- curl-debuginfo< 0:7.29.0-59.el7 | < 0:7.29.0-42.el7_4.3 | < 0:7.29.0-51.el7_6.4 | < 0:7.29.0-54.el7_7.4
- libcurl< 0:7.29.0-59.el7 | < 0:7.29.0-42.el7_4.3 | < 0:7.29.0-51.el7_6.4 | < 0:7.29.0-54.el7_7.4
- libcurl-devel< 0:7.29.0-59.el7 | < 0:7.29.0-42.el7_4.3 | < 0:7.29.0-51.el7_6.4 | < 0:7.29.0-54.el7_7.4
Debian2 products
- curl< 7.38.0-4+deb8u16 | < 7.66.0-1
- debian_linuxEOL9.0 | 10.0
Alpine1 product
- curl≥ 7.19.4, < 7.66.0-r0 | ≥ 7.19.4, < 7.61.1-r3 | ≥ 7.19.4, < 7.64.0-r3
Fedoraproject1 product
- fedoraEOL29 | 30 | 31
Haxx1 product
- curl≥ 7.19.4, ≤ 7.65.3
Opensuse1 product
- leapEOL15.0 | 15.1
Ubuntu1 product
- curl< 7.47.0-1ubuntu2.14 | < 7.58.0-2ubuntu3.8 | < 7.35.0-1ubuntu2.20+esm3
10 vendors · 41 products
References
39 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
