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Vulnerability details: VCID-1spx-cqk1-aaaa
Vulnerability ID VCID-1spx-cqk1-aaaa
Aliases CVE-2021-46195
Summary GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-674 Uncontrolled Recursion
System Score Found at
cvssv3 3.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-46195.json
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epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-46195
epss 0.00172 https://api.first.org/data/v1/epss?cve=CVE-2021-46195
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epss 0.00259 https://api.first.org/data/v1/epss?cve=CVE-2021-46195
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=2046300
cvssv3.1 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-46195
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-46195
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-46195
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-46195.json
https://api.first.org/data/v1/epss?cve=CVE-2021-46195
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46195
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103841
2046300 https://bugzilla.redhat.com/show_bug.cgi?id=2046300
cpe:2.3:a:gnu:gcc:12.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:gcc:12.0:*:*:*:*:*:*:*
CVE-2021-46195 https://nvd.nist.gov/vuln/detail/CVE-2021-46195
RHSA-2022:8415 https://access.redhat.com/errata/RHSA-2022:8415
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-46195.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:L/PR:N/UI:R/S:U/C:N/I:N/A:L 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:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-46195
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:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-46195
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:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-46195
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 0.30094
EPSS Score 0.00065
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.