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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

AuthorNote
leosilva
-esm releases only supports amd64 arch
mdeslaur
introduced in https://sourceware.org/git/?p=glibc.git;a=commit;h=d400dcac5e

References

Bugs