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Fencer Vulns
medium 5.5

CVE-2020-10001 json

An input validation issue was addressed with improved memory handling.

published 2021-04-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-2466

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

An input validation issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may be able to read restricted memory.

Patch / fix

  • Apple macOS 11.1
  • cups Debian 14, Debian 13, Debian 12 2.3.3op2-1

debian advisories DEBIAN-CVE-2020-10001

  • cups Ubuntu 18.04 LTS 2.2.7-1ubuntu2.9
  • cups Ubuntu 20.04 LTS 2.3.1-9ubuntu1.2
  • cups Ubuntu Pro 16.04 LTS 2.1.3-4ubuntu0.11+esm1

ubuntu advisories UBUNTU-CVE-2020-10001

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 1:2.2.6-40.el8
  • cups-lpd RHEL 8 1:2.2.6-40.el8
  • cups-libs RHEL 8 1:2.2.6-40.el8
  • cups-client RHEL 8 1:2.2.6-40.el8
  • cups-ipptool RHEL 8 1:2.2.6-40.el8
  • cups-filesystem RHEL 8 1:2.2.6-40.el8

red hat advisories RHSA-2021:4393

  • cups SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.7.5-20.33.1
  • cups SLE Module for Development Tools 15 SP2, SLE Module for Basesystem 15 SP2 2.2.7-3.20.1

suse advisories SUSE-SU-2021:0286-1SUSE-SU-2021:0285-1

  • cups openSUSE Tumbleweed 2.3.3op2-4.2
  • cups openSUSE Leap 15.2 2.2.7-lp152.9.3.1

opensuse advisories openSUSE-SU-2024:10707-1openSUSE-SU-2021:0253-1

  • cups AlmaLinux 8 1:2.2.6-40.el8
  • cups-lpd AlmaLinux 8 1:2.2.6-40.el8
  • cups-client AlmaLinux 8 1:2.2.6-40.el8
  • cups-ipptool AlmaLinux 8 1:2.2.6-40.el8
  • cups-filesystem AlmaLinux 8 1:2.2.6-40.el8

almalinux advisories ALSA-2021:4393

  • cups Rocky Linux 8 1:2.2.6-40.el8

rocky linux advisories RLSA-2021:4393

  • cups Arch Linux 1:2.3.3op2-1

arch linux advisories AVG-1529

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-2020-10001 updated cvss 5.5

cups: access to uninitialized buffer in ipp.c

  • Red Hat Enterprise Linux 5 cups Red Hat Enterprise Linux 6 cups, cups-lpd, cups-php, cups-libs Red Hat Enterprise Linux 7 cups, cups-lpd, cups-libs, cups-client, cups-ipptool, cups-filesystem
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) cups 2.2.6-40.el8, cups-lpd 2.2.6-40.el8, cups-client 2.2.6-40.el8, cups-ipptool 2.2.6-40.el8, cups-filesystem 2.2.6-40.el8 Red Hat Enterprise Linux BaseOS (v. 8) cups 2.2.6-40.el8, cups-libs 2.2.6-40.el8
    fixed: vendor fix RHSA-2021:4393

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

1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Apple macOS

Classification

Weakness
  • CWE-20 Improper Input Validation

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.