CVE-2019-20006

Exp

An issue was discovered in ezXML 0.8.3 through 0.8.6. The function ezxml_char_content puts a pointer to the internal address of a larger block as xml->txt. This is later deallocated (using free), leading to a segmentation fault.

Published: 2019-12-26 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-20006 is rated High Exploit Risk (66.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.44%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2019-20006

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2019-20006

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.33% 0.44% +0.10%
2 2025-11-18 0.43% 0.33% -0.10%
3 2025-03-30 — 0.43% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-20006

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-20006

OS Trackers for CVE-2019-20006

vendor priority summary link
debian unimportant CVE-2019-20006 unimportant priority: Debian including 4 source packages (mapcache, netcdf, netcdf-parallel, scilab), 20 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 10, resolved 10. https://security-tracker.debian.org/tracker/CVE-2019-20006
suse medium CVE-2019-20006 severity moderate: SUSE including 249 source package names (libnetcdf-gnu-hpc, libnetcdf-gnu-hpc-4.6.1-10.7.2, …), 642 product×package rows across 25 product lines (SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS, SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS, … (25 product lines)): Fixed 575, Known Not Affected 67. https://www.suse.com/security/cve/CVE-2019-20006/
ubuntu low CVE-2019-20006 low priority: Ubuntu including 4 source packages (mapcache, netcdf, netcdf-parallel, scilab), 64 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 41, not-affected 10, needed 5, DNE 4, needs-triage 2, released 2. https://ubuntu.com/security/CVE-2019-20006

Affected software / configurations for CVE-2019-20006

Vendor Product Version Raw CPE
ezxml_project ezxml >= 0.8.3, <= 0.8.6 cpe:2.3:a:ezxml_project:ezxml:*:*:*:*:*:*:*:*

References for CVE-2019-20006

URL Tags
https://sourceforge.net/p/ezxml/bugs/15/ Exploit Third Party Advisory
cvelogic Threat Intelligence