CVE-2020-10531
HIGH
8.8
CVSS Score
Published: March 12, 2020 at 06:09 PM UTC
Updated: October 14, 2026 at 09:17 AM UTC
11 products affected across 9 vendorsDebian LinuxChromeFedora
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Severity
HIGH8.8
Exploit prediction
EPSS 3%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 80.0.3987.122
Affected range stops below 80.0.3987.122, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v ≤ 10.12.010.13.0 ≤ v < 10.21.0
Affected range stops below 10.21.0, so it looks safe — our inference, not a vendor statement
Leap· openSUSEdrupal
95%95%
Enterprise Linux Server· Red Hatrubygems
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00004.html
- https://access.redhat.com/errata/RHSA-2020:0738
- https://chromium.googlesource.com/chromium/deps/icu/+/9f4020916eb1f28f3666f018fdcbe6c9a37f0e08
- https://github.com/unicode-org/icu/commit/b7d08bc04a4296982fcef8b6b8a354a9e4e7afca
- https://github.com/unicode-org/icu/pull/971
References (19)
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00004.htmlVendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2020:0738x_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/chromium/issues/detail?id=1044570x_refsource_MISCThird Party Advisory
Source: [email protected]
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.htmlx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://chromium.googlesource.com/chromium/deps/icu/+/9f4020916eb1f28f3666f018fdcbe6c9a37f0e08x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/unicode-org/icu/commit/b7d08bc04a4296982fcef8b6b8a354a9e4e7afcax_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/unicode-org/icu/pull/971Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/03/msg00024.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-190CWE-787
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