Skip to content
Fencer Vulns
high 7.5

CVE-2019-12412 json

A flaw in the libapreq2 v2.07 to v2.13 multipart parser can deference a null pointer leading to a process crash.

published 2020-11-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4032

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.1%
EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

A flaw in the libapreq2 v2.07 to v2.13 multipart parser can deference a null pointer leading to a process crash. A remote attacker could send a request causing a process crash which could lead to a denial of service attack.

Patch / fix

  • libapreq2 Debian 13 2.13-6

debian advisories DEBIAN-CVE-2019-12412

  • libapreq2 Ubuntu 18.04 LTS 2.13-7~deb10u1build0.18.04.1
  • libapreq2 Ubuntu Pro 14.04 LTS 2.13-3ubuntu2+esm1
  • libapreq2 Ubuntu Pro 16.04 LTS 2.13-4ubuntu2+esm1

ubuntu advisories UBUNTU-CVE-2019-12412

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-12412 updated cvss 6.5

libapreq: null pointer dereference in create_multipart_context()

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.11% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a libapreq2

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.