CVE - CVE-2021-3939

CVE-ID
CVE-2021-3939	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:http://packetstormsecurity.com/files/172848/Ubuntu-accountsservice-Double-Free-Memory-Corruption.html MISC:https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1950149 URL:https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1950149 MISC:https://ubuntu.com/security/notices/USN-5149-1 URL:https://ubuntu.com/security/notices/USN-5149-1
Assigning CNA
Canonical Ltd.
Date Record Created
20211109	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20211109)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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