CVE-2020-21913 — Use After Free in International Components FOR Unicode

CWE-416 — Use After Free7 documents7 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 72.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Unicode International Components FOR UnicodeDebian ICUDebian Linux
Timeline
PublishedSep 20
Latest updateDec 14

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶debiandebian/icu< icu 67.1-2 (bookworm)

Also affects: Debian Linux 10.0, 9.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-3vq4-8jw3-cwr6: International Components for Unicode (ICU-20850) v66↗2022-05-24
▶
OSV
CVE-2020-21913: International Components for Unicode (ICU-20850) v66↗2021-09-20
▶

📋Vendor Advisories

4
CISA ICS
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1↗2023-12-14
▶
Ubuntu
ICU vulnerability↗2021-11-04
▶
Red Hat
icu: Use after free in pkg_createWithAssemblyCode function in tools/pkgdata/pkgdata.cpp↗2021-09-20
▶
Debian
CVE-2020-21913: icu - International Components for Unicode (ICU-20850) v66.1 was discovered to contain...↗2020
▶