cbcvebase.
CVE-2020-1751
published 2020-04-17

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…

PriorityP431high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EPSS
0.54%
41.6th percentile
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

16 ranges
VendorProductVersion rangeFixed in
canonicalubuntu_linux
canonicalubuntu_linux
canonicalubuntu_linux
debianglibc< glibc 2.30-3 (bookworm)glibc 2.30-3 (bookworm)
gnuglibc< 2.312.31
gnuglibc>= 0 < 2.30-32.30-3
gnuglibc>= 0 < 2.30-32.30-3
gnuglibc>= 0 < 2.30-32.30-3
gnuglibc>= 0 < 2.30-32.30-3
gnuglibc>= 0 < 2.23-0ubuntu11.22.23-0ubuntu11.2
gnuglibc>= 0 < 2.27-3ubuntu1.22.27-3ubuntu1.2
msrccbl_mariner_1.0_arm
msrccbl_mariner_1.0_x64
msrccm1_glibc_2.28-12_on_cbl_mariner_1.0
red_hatglibc
redhatenterprise_linux

CVSS provenance

nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.05.9MEDIUMAV:L/AC:M/Au:N/C:P/I:P/A:C
osv7.0HIGH
vendor_msrc7.0HIGH
vendor_ubuntu5.9MEDIUM
vendor_debian5.1MEDIUM
vendor_redhat5.1MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.