CVE-2020-1751
Published: 17 April 2020
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.
Priority
Medium
CVSS 3 base score: 7.0
Status
| Package | Release | Status |
|---|---|---|
|
eglibc Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| precise |
Not vulnerable
|
|
| trusty |
Ignored
(out of support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
glibc Launchpad, Ubuntu, Debian |
bionic |
Released
(2.27-3ubuntu1.2)
|
| eoan |
Released
(2.30-0ubuntu2.2)
|
|
| focal |
Not vulnerable
(2.31-0ubuntu9)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(2.23-0ubuntu11.2)
|
Notes
| Author | Note |
|---|---|
| leosilva | -esm releases only supports amd64 arch |
| mdeslaur | introduced in https://sourceware.org/git/?p=glibc.git;a=commit;h=d400dcac5e |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1751
- https://ubuntu.com/security/notices/USN-4416-1
- NVD
- Launchpad
- Debian