CVE-2020-1751

low-risk
Published 2020-04-17

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.

Do I need to act?

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0.24% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.1/10 Medium
LOCAL / HIGH complexity

Affected Products (5)

Affected Vendors

Redhat Gnu Canonical

References (10)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751
Third Party Advisory https://security.gentoo.org/glsa/202006-04
Third Party Advisory https://security.netapp.com/advisory/ntap-20200430-0002/
Issue Tracking https://sourceware.org/bugzilla/show_bug.cgi?id=25423
Third Party Advisory https://usn.ubuntu.com/4416-1/
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751
Third Party Advisory https://security.gentoo.org/glsa/202006-04
Third Party Advisory https://security.netapp.com/advisory/ntap-20200430-0002/
Issue Tracking https://sourceware.org/bugzilla/show_bug.cgi?id=25423
Third Party Advisory https://usn.ubuntu.com/4416-1/
26
/ 100
low-risk
Severity 13/34 · Low
Exploitability 1/34 · Minimal
Exposure 12/34 · Low