UBUNTU-CVE-2020-1751

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2020-1751
Downstream
USN-4416-1
Published: 17 Apr 2020, 19:15
Last modified:22 Apr 2026, 12:32

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
5.1 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Apr 2020, 19:15
Published
Vulnerability first disclosed
22 Apr 2026, 12:32
Last Modified
Vulnerability information updated

Description

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.1CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•eglibc

    all

  • ubuntu•glibc

    < 2.23-0ubuntu11.2 | < 2.27-3ubuntu1.2

References (3)