Search for vulnerabilities
Vulnerability details: VCID-f1yr-2c5c-dyh8
Vulnerability ID VCID-f1yr-2c5c-dyh8
Aliases CVE-2020-1751
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.3
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 7.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1751.json
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00236 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00236 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00236 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00236 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00236 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00236 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00236 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00236 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
epss 0.00236 https://api.first.org/data/v1/epss?cve=CVE-2020-1751
cvssv3.1 7 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.9 https://nvd.nist.gov/vuln/detail/CVE-2020-1751
cvssv3.1 7.0 https://nvd.nist.gov/vuln/detail/CVE-2020-1751
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1751.json
https://api.first.org/data/v1/epss?cve=CVE-2020-1751
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1751
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/202006-04
https://security.netapp.com/advisory/ntap-20200430-0002/
https://sourceware.org/bugzilla/show_bug.cgi?id=25423
1810719 https://bugzilla.redhat.com/show_bug.cgi?id=1810719
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
CVE-2020-1751 https://nvd.nist.gov/vuln/detail/CVE-2020-1751
RHSA-2020:4444 https://access.redhat.com/errata/RHSA-2020:4444
USN-4416-1 https://usn.ubuntu.com/4416-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1751.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:L/AC:M/Au:N/C:P/I:P/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1751
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1751
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.40261
EPSS Score 0.00181
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:34:31.836408+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/4416-1/ 37.0.0