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TI-2020-08454 Aliases CVE-2020-10531GHSA-8xp2-qvq2-xhpx

An issue was discovered in International Components for Unicode (ICU) for C/C++ through…

Priority MEDIUM 43CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 28 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend() function in common/unistr.cpp.

Why it matters now

EPSS 0.02669 85th percentileScored 2026-11-07
Fix Partial Red Hat: 10 advisoriesRed Hat: 28 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 21

CPEVersionsRoleVendor
cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:*up to 66.1VulnerableIcu-project
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 80.0.3987.122VulnerableGoogle
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:* Versions up to 66.1 Vulnerable ·Icu-project
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 80.0.3987.122 Vulnerable ·Google
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*19.10VulnerableCanonical
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
cpe:2.3:a:oracle:banking_extensibility_workbench:14.3.0:*:*:*:*:*:*:*14.3.0VulnerableOracle
cpe:2.3:a:oracle:banking_extensibility_workbench:14.4.0:*:*:*:*:*:*:*14.4.0VulnerableOracle
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*10.0.0 – 10.12.0VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*10.13.0 to before 10.21.0VulnerableNodeJS
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* Versions 19.10 Vulnerable ·Canonical
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
  • cpe:2.3:a:oracle:banking_extensibility_workbench:14.3.0:*:*:*:*:*:*:* Versions 14.3.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:banking_extensibility_workbench:14.4.0:*:*:*:*:*:*:* Versions 14.4.0 Vulnerable ·Oracle
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions 10.0.0 – 10.12.0 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* Versions 10.13.0 to before 10.21.0 Vulnerable ·NodeJS

Remediation

Red Hat 10 advisories

  • RHSA-2020:3084 Released 2020-07-21 · Red Hat rating Important
    rh-nodejs10-nodejs security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs10-nodejs-10.21.0-3.el7, rh-nodejs10-nodejs-devel-10.21.0-3.el7, rh-nodejs10-nodejs-docs-10.21.0-3.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-nodejs10-nodejs-10.21.0-3.el7, rh-nodejs10-nodejs-devel-10.21.0-3.el7, rh-nodejs10-nodejs-docs-10.21.0-3.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs10-nodejs-10.21.0-3.el7, rh-nodejs10-nodejs-devel-10.21.0-3.el7, rh-nodejs10-nodejs-docs-10.21.0-3.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs10-nodejs-10.21.0-3.el7, rh-nodejs10-nodejs-devel-10.21.0-3.el7, rh-nodejs10-nodejs-docs-10.21.0-3.el7 +1
  • RHSA-2020:2895 Released 2020-07-13 · Red Hat rating Important
    rh-nodejs12-nodejs security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs12-nodejs-12.18.2-1.el7, rh-nodejs12-nodejs-devel-12.18.2-1.el7, rh-nodejs12-nodejs-docs-12.18.2-1.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-nodejs12-nodejs-12.18.2-1.el7, rh-nodejs12-nodejs-devel-12.18.2-1.el7, rh-nodejs12-nodejs-docs-12.18.2-1.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs12-nodejs-12.18.2-1.el7, rh-nodejs12-nodejs-devel-12.18.2-1.el7, rh-nodejs12-nodejs-docs-12.18.2-1.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs12-nodejs-12.18.2-1.el7, rh-nodejs12-nodejs-devel-12.18.2-1.el7, rh-nodejs12-nodejs-docs-12.18.2-1.el7 +1
  • RHSA-2020:1343 Released 2020-04-07 · Red Hat rating Important
    nodejs:10 security update
    • Red Hat Enterprise Linux AppStream E4S (v. 8.0) nodejs-1:10.19.0-2.module+el8.0.0+6119+7cbe4838.ppc64le::nodejs:10, nodejs-1:10.19.0-2.module+el8.0.0+6119+7cbe4838.src::nodejs:10, nodejs-1:10.19.0-2.module+el8.0.0+6119+7cbe4838.x86_64::nodejs:10 +9
Show 7 more Red Hat advisories
  • RHSA-2020:1317 Released 2020-04-06 · Red Hat rating Important
    nodejs:10 security update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:10.19.0-2.module+el8.1.0+6118+5aaa808b.aarch64::nodejs:10, nodejs-1:10.19.0-2.module+el8.1.0+6118+5aaa808b.ppc64le::nodejs:10, nodejs-1:10.19.0-2.module+el8.1.0+6118+5aaa808b.s390x::nodejs:10 +15
  • RHSA-2020:1293 Released 2020-04-02 · Red Hat rating Important
    nodejs:12 security update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:12.16.1-2.module+el8.1.0+6117+b25a342c.aarch64::nodejs:12, nodejs-1:12.16.1-2.module+el8.1.0+6117+b25a342c.ppc64le::nodejs:12, nodejs-1:12.16.1-2.module+el8.1.0+6117+b25a342c.s390x::nodejs:12 +15
  • RHSA-2020:0902 Released 2020-03-19 · Red Hat rating Important
    icu security update
    • Red Hat Enterprise Linux BaseOS (v. 8) icu-60.3-2.el8_1, libicu-60.3-2.el8_1, libicu-devel-60.3-2.el8_1 +1
  • RHSA-2020:0901 Released 2020-03-19 · Red Hat rating Important
    icu security update
    • Red Hat Enterprise Linux BaseOS E4S (v. 8.0) icu-60.3-2.el8_0, libicu-60.3-2.el8_0, libicu-devel-60.3-2.el8_0 +1
  • RHSA-2020:0897 Released 2020-03-18 · Red Hat rating Important
    icu security update
    • Red Hat Enterprise Linux Client (v. 7) icu-50.2-4.el7_7, libicu-50.2-4.el7_7
    • Red Hat Enterprise Linux Client Optional (v. 7) icu-50.2-4.el7_7, libicu-devel-50.2-4.el7_7, libicu-doc-50.2-4.el7_7
    • Red Hat Enterprise Linux ComputeNode (v. 7) icu-50.2-4.el7_7, libicu-50.2-4.el7_7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) icu-50.2-4.el7_7, libicu-devel-50.2-4.el7_7, libicu-doc-50.2-4.el7_7
    • Red Hat Enterprise Linux Server (v. 7) icu-50.2-4.el7_7, libicu-50.2-4.el7_7, libicu-50.2-4.el7_7.ppc +2
    • Red Hat Enterprise Linux Server Optional (v. 7) icu-50.2-4.el7_7, libicu-doc-50.2-4.el7_7
    • Red Hat Enterprise Linux Workstation (v. 7) icu-50.2-4.el7_7, libicu-50.2-4.el7_7, libicu-devel-50.2-4.el7_7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) icu-50.2-4.el7_7, libicu-doc-50.2-4.el7_7
  • RHSA-2020:0896 Released 2020-03-18 · Red Hat rating Important
    icu security update
    • Red Hat Enterprise Linux Desktop (v. 6) icu-4.2.1-15.el6_10, libicu-4.2.1-15.el6_10
    • Red Hat Enterprise Linux Desktop Optional (v. 6) icu-4.2.1-15.el6_10, libicu-devel-4.2.1-15.el6_10, libicu-doc-4.2.1-15.el6_10
    • Red Hat Enterprise Linux HPC Node (v. 6) icu-4.2.1-15.el6_10, libicu-4.2.1-15.el6_10
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) icu-4.2.1-15.el6_10, libicu-devel-4.2.1-15.el6_10, libicu-doc-4.2.1-15.el6_10
    • Red Hat Enterprise Linux Server (v. 6) icu-4.2.1-15.el6_10, libicu-4.2.1-15.el6_10, libicu-4.2.1-15.el6_10.ppc
    • Red Hat Enterprise Linux Server Optional (v. 6) icu-4.2.1-15.el6_10, libicu-devel-4.2.1-15.el6_10, libicu-devel-4.2.1-15.el6_10.ppc +1
    • Red Hat Enterprise Linux Workstation (v. 6) icu-4.2.1-15.el6_10, libicu-4.2.1-15.el6_10
    • Red Hat Enterprise Linux Workstation Optional (v. 6) icu-4.2.1-15.el6_10, libicu-devel-4.2.1-15.el6_10, libicu-doc-4.2.1-15.el6_10
  • RHSA-2020:0738 Released 2020-03-09 · Red Hat rating Important
    chromium-browser security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-80.0.3987.122-1.el6_10
    • Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser-80.0.3987.122-1.el6_10
    • Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-80.0.3987.122-1.el6_10
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-80.0.3987.122-1.el6_10

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:1293, RHSA-2020:1317
Red Hat Enterprise Linux AppStream E4S (v. 8.0)Fixed RHSA-2020:1343
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2020:0902
Red Hat Enterprise Linux BaseOS E4S (v. 8.0)Fixed RHSA-2020:0901
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2020:0897
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2020:0897
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2020:0897
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2020:0897
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2020:0896
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2020:0896
Red Hat Enterprise Linux Desktop Supplementary (v. 6)Fixed RHSA-2020:0738
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2020:0896
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2020:0896
Red Hat Enterprise Linux HPC Node Supplementary (v. 6)Fixed RHSA-2020:0738
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2020:0896
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:0897
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2020:0896
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:0897
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2020:0738
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2020:0896
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:0897
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2020:0896
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:0897
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2020:0738
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:2895, RHSA-2020:3084
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2020:2895, RHSA-2020:3084
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2020:2895, RHSA-2020:3084
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:2895, RHSA-2020:3084
Not affected: 4 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-10531
  2. 2026-10-03 Alias added: GHSA-8xp2-qvq2-xhpx

References

Patch 4

Advisory 14

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences