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Vulnerability of ICU: integer overflow via UnicodeString-doAppend

Synthesis of the vulnerability 

An attacker can trigger an integer overflow via UnicodeString::doAppend() of ICU, in order to trigger a denial of service, and possibly to run code.
Impacted products: Debian, Fedora, openSUSE Leap, RHEL, Ubuntu.
Severity of this bulletin: 2/4.
Creation date: 17/03/2020.
Références of this threat: CVE-2020-10531, DLA-2151-1, DSA-4646-1, FEDORA-2020-39e0b8bd14, openSUSE-SU-2020:0459-1, RHSA-2020:0896-01, RHSA-2020:0897-01, RHSA-2020:0901-01, RHSA-2020:0902-01, RHSA-2020:1293-01, RHSA-2020:1317-01, RHSA-2020:1343-01, USN-4305-1, VIGILANCE-VUL-31815.

Description of the vulnerability 

An attacker can trigger an integer overflow via UnicodeString::doAppend() of ICU...
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This computer weakness alert impacts software or systems such as Debian, Fedora, openSUSE Leap, RHEL, Ubuntu.

Our Vigil@nce team determined that the severity of this weakness note is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this weakness bulletin.

Solutions for this threat 

Solutions, fixes, patches and workarounds for this vulnerability are not yet public.
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