Buffer overflow in Google Chrome
CVE-2020-10531
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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Google Chrome
- Icu-Project International Components For Unicode
- Node.js
- Oracle Banking Extensibility Workbench — versions 14.3.0, 14.4.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0, 9.0, 10.0
- Fedoraproject Fedora — versions 30, 31, 33
- openSUSE Leap — versions 15.1
- Red Hat Enterprise Linux Desktop — versions 6.0
- Red Hat Enterprise Linux Server — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2020:0738 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202003-15 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2020/03/msg00024.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4646 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/4305-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00004.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.oracle.com/security-alerts/cpujan2021.html (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10531?
- CVE-2020-10531 is a high-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2020-03-12.
- How severe is CVE-2020-10531?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-10531 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.