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CVE-2019-12408

24
FAUCET Score

CVE-2019-12408 is an uninitialized memory bug affecting Apache Arrow versions 0.14.0 to 0.14.1, specifically in its C++ implementation when constructing arrays with null values. This vulnerability, rated 7.5 HIGH, could lead to denial of service (A:H) if uninitialized memory is transmitted via Arrow's wire protocols or persisted in its streaming IPC and file formats. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.14.0, <= 0.14.1CPE matchmatch criteria
cpe:2.3:a:apache:arrow:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.23%
Probability of exploitation in next 30 days
EPSS Percentile
86.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0323 is in the 77th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: pyarrowFixed in: 0.15.1
rubygemspatch availablevia ghsa
Product: red-arrowFixed in: 0.15.1

Vendor Advisories (1)

rubygemsGHSA-8cw2-jv5c-c825high

Missing Initialization of Resource in Apache Arrow

May 24, 2022

References

lists.apache.org / thread.html/49f067b1c5fb7493d952580f0d2d032819ba351f7a78743c21126269%40%3Cdev.arrow.apache.org%3E
lists.apache.org / thread.html/efd8bbf57427d3c303b5316d208a335f8d0c0dbe0dc4c87cfa995073%40%3Cannounce.apache.org%3E