Vulnerability · Published Sep 20, 2021 · Assigned by mitre
CVE-2020-21913
Medium 5.5
In plain English
A medium-severity security flaw in the icu package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.2%top 31.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | icu | 66.1-r0 | ALPINE-CVE-2020-21913 |
| Alpine:v3.21 | icu | 66.1-r0 | ALPINE-CVE-2020-21913 |
| Alpine:v3.22 | icu | 66.1-r0 | ALPINE-CVE-2020-21913 |
| Alpine:v3.23 | icu | 66.1-r0 | ALPINE-CVE-2020-21913 |
| Alpine:v3.24 | icu | 66.1-r0 | ALPINE-CVE-2020-21913 |
| Debian:12 | icu | 67.1-2 | DEBIAN-CVE-2020-21913 |
| Debian:13 | icu | 67.1-2 | DEBIAN-CVE-2020-21913 |
| Debian:14 | icu | 67.1-2 | DEBIAN-CVE-2020-21913 |
Affected products (as reported)
References
- https://unicode-org.atlassian.net/browse/ICU-20850 x_refsource_MISC
- https://github.com/unicode-org/icu/pull/886 x_refsource_MISC
- [debian-lts-announce] 20211012 [SECURITY] [DLA 2784-1] icu security update mailing-list, x_refsource_MLIST
- DSA-5014 vendor-advisory, x_refsource_DEBIAN
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html