Skip to content
Fencer Vulns
high 7.8

CVE-2020-3898 json

A memory corruption issue was addressed with improved validation.

published 2020-10-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25163

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. An application may be able to gain elevated privileges.

Patch / fix

  • Apple macOS macOS Catalina 10.15.4
  • cups Debian 14, Debian 13, Debian 12 2.3.1-12

debian advisories DEBIAN-CVE-2020-3898

  • cups Ubuntu 16.04 LTS 2.1.3-4ubuntu0.11
  • cups Ubuntu 18.04 LTS 2.2.7-1ubuntu2.8
  • cups Ubuntu 20.04 LTS 2.3.1-9ubuntu1.1

ubuntu advisories UBUNTU-CVE-2020-3898

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

  • cups RHEL 8 1:2.2.6-38.el8
  • cups-lpd RHEL 8 1:2.2.6-38.el8
  • cups-libs RHEL 8 1:2.2.6-38.el8
  • cups-client RHEL 8 1:2.2.6-38.el8
  • cups-ipptool RHEL 8 1:2.2.6-38.el8
  • cups-filesystem RHEL 8 1:2.2.6-38.el8

red hat advisories RHSA-2020:4469

  • cups SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +16 more 1.7.5-20.29.1
  • cups SLES for SAP 15, SLES 15-LTSS, SLE Module for Development Tools 15 SP1 +3 more 2.2.7-3.17.1
  • cups SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 1.3.9-8.46.56.11.1

suse advisories SUSE-SU-2020:1045-1SUSE-SU-2020:1083-1SUSE-SU-2020:14341-1

  • cups openSUSE Tumbleweed 2.3.3op2-4.2
  • cups openSUSE Leap 15.1 2.2.7-lp151.6.6.1

opensuse advisories openSUSE-SU-2024:10707-1openSUSE-SU-2020:0555-1

  • cups Rocky Linux 8 1:2.2.6-38.el8

rocky linux advisories RLSA-2020:4469

  • cups Alpine 3.10, Alpine 3.9 2.2.12-r1
  • cups Alpine 3.11 2.2.12-r2
  • cups Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 2.3.3-r0

alpine advisories ALPINE-CVE-2020-3898

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org 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-2020-3898 updated cvss 4.5

cups: heap based buffer overflow in libcups's ppdFindOption() in ppd-mark.c

  • Red Hat Enterprise Linux 5 cups Red Hat Enterprise Linux 6 cups, cups-lpd, cups-php, cups-libs
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 cups, cups-lpd, cups-libs, cups-client, cups-ipptool, cups-filesystem
    affected: no fix available
  • Red Hat Enterprise Linux AppStream (v. 8) cups 2.2.6-38.el8, cups-lpd 2.2.6-38.el8, cups-client 2.2.6-38.el8, cups-ipptool 2.2.6-38.el8, cups-filesystem 2.2.6-38.el8 Red Hat Enterprise Linux BaseOS (v. 8) cups 2.2.6-38.el8, cups-libs 2.2.6-38.el8
    fixed: vendor fix RHSA-2020:4469

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

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Apple macOS

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.