CVE-2020-1751
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.
- Score
- CVSS 3.1 7.0 High
- Status
- Modified - secalert@redhat.com
- Published
- 2020-04-17
- Last modified
- 2026-10-14
- Weaknesses
- CWE-787
Affected products
- Ubuntu Linux (Canonical)
- Glibc (Gnu)
- Glibc (Red Hat)
- Enterprise Linux (Redhat)
- Simatic S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Cpu 1518f-4 Pndp Mfp (Siemens)
- Siplus S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751
- https://sourceware.org/bugzilla/show_bug.cgi?id=25423
- https://security.netapp.com/advisory/ntap-20200430-0002/
- https://security.gentoo.org/glsa/202006-04
- https://usn.ubuntu.com/4416-1/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
