CVE-2020-1751 — Vulnetix

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CVE-2020-1751 PUBLISHED

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.

EPSS 0.14% · 33.5th percentile

Risk Scores

EPSS Score

0.14%

33.5th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	glibc	0, 2.21-0ubuntu4, 2.21-0ubuntu5
Ubuntu:18.04:LTS	glibc	0, 2.26-0ubuntu2, 2.26-0ubuntu2.1
Ubuntu:Pro:14.04:LTS	eglibc	2.19-0ubuntu6.9, 2.19-0ubuntu6.10, 2.19-0ubuntu6.11

Timeline

Apr 17, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2020-1751 third-party-advisory
https://ubuntu.com/security/notices/USN-4416-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2020-1751 third-party-advisory

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