VDB

CVE-2020-10531

CVE-2020-10531 PUBLISHED

Reported by mitre · Published March 12, 2020

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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
libicuAmazon Linux50.2-4.amzn2
node-minBitnami10.21.0
chromium-browserUbuntu:16.04:LTS80.0.3987.149-0ubuntu0.16.04.1
nodeBitnami10.21.0
SIMATIC S7-1500 CPU 1518-4 PN/DP MFPSiemens3.1.5
international_components_for_unicodeicu-project66.1

Affected products

VendorProductVersions
n/an/an/a
n/an/a*
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP3.1.0
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP3.1.0
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP3.1.0

Timeline

  • Mar 12, 2020 CVE Published
  • Apr 14, 2021 EPSS Score (30 in total, the first dated here)
  • Dec 16, 2025 PoC Published
  • Mar 6, 2026 Distribution Patch (54 in total, the first dated here)
  • Mar 6, 2026 Security Advisory (61 in total, the first dated here)
  • Sep 6, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2020-10531
vulnetix vdb fixes CVE-2020-10531

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2020-10531/fixes/registry"

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References

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