CVEvulnerability
CVE-2020-1751
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-04-17
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.1 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 5.9 MEDIUM — AV:L/AC:M/Au:N/C:P/I:P/A:C
- Weaknesses
- CWE-787
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.
Affected configurations
• gnu glibc (< 2.31)
• redhat enterprise linux 8.0
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 19.10
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751 Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202006-04 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200430-0002/ Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=25423 Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/4416-1/ Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751 Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202006-04 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200430-0002/ Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=25423 Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/4416-1/ Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com