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Vulnerability details: VCID-8m2w-n277-jyb9
Vulnerability ID VCID-8m2w-n277-jyb9
Aliases CVE-2021-43859
GHSA-rmr5-cpv2-vgjf
Summary
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-400 Uncontrolled Resource Consumption
CWE-502 Deserialization of Untrusted Data
CWE-770 Allocation of Resources Without Limits or Throttling
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43859.json
epss 0.01863 https://api.first.org/data/v1/epss?cve=CVE-2021-43859
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-rmr5-cpv2-vgjf
cvssv3.1 7.5 https://github.com/x-stream/xstream
generic_textual HIGH https://github.com/x-stream/xstream
cvssv3.1 7.5 https://github.com/x-stream/xstream/commit/e8e88621ba1c85ac3b8620337dd672e0c0c3a846
generic_textual HIGH https://github.com/x-stream/xstream/commit/e8e88621ba1c85ac3b8620337dd672e0c0c3a846
ssvc Track https://github.com/x-stream/xstream/commit/e8e88621ba1c85ac3b8620337dd672e0c0c3a846
cvssv3.1 7.5 https://github.com/x-stream/xstream/security/advisories/GHSA-rmr5-cpv2-vgjf
cvssv3.1_qr HIGH https://github.com/x-stream/xstream/security/advisories/GHSA-rmr5-cpv2-vgjf
generic_textual HIGH https://github.com/x-stream/xstream/security/advisories/GHSA-rmr5-cpv2-vgjf
ssvc Track https://github.com/x-stream/xstream/security/advisories/GHSA-rmr5-cpv2-vgjf
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2022/02/msg00018.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2022/02/msg00018.html
ssvc Track https://lists.debian.org/debian-lts-announce/2022/02/msg00018.html
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2024/12/msg00023.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2024/12/msg00023.html
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ/
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X/
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-43859
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2021-43859
cvssv3.1 7.5 https://www.oracle.com/security-alerts/cpuapr2022.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuapr2022.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 7.5 https://www.oracle.com/security-alerts/cpujul2022.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpujul2022.html
ssvc Track https://www.oracle.com/security-alerts/cpujul2022.html
cvssv3.1 7.5 https://x-stream.github.io/CVE-2021-43859.html
generic_textual HIGH https://x-stream.github.io/CVE-2021-43859.html
ssvc Track https://x-stream.github.io/CVE-2021-43859.html
cvssv3.1 7.5 http://www.openwall.com/lists/oss-security/2022/02/09/1
generic_textual HIGH http://www.openwall.com/lists/oss-security/2022/02/09/1
ssvc Track http://www.openwall.com/lists/oss-security/2022/02/09/1
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43859.json
https://api.first.org/data/v1/epss?cve=CVE-2021-43859
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43859
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/x-stream/xstream
https://lists.debian.org/debian-lts-announce/2024/12/msg00023.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X
1 http://www.openwall.com/lists/oss-security/2022/02/09/1
2049783 https://bugzilla.redhat.com/show_bug.cgi?id=2049783
cpuapr2022.html https://www.oracle.com/security-alerts/cpuapr2022.html
cpujul2022.html https://www.oracle.com/security-alerts/cpujul2022.html
CVE-2021-43859 https://nvd.nist.gov/vuln/detail/CVE-2021-43859
CVE-2021-43859.html https://x-stream.github.io/CVE-2021-43859.html
e8e88621ba1c85ac3b8620337dd672e0c0c3a846 https://github.com/x-stream/xstream/commit/e8e88621ba1c85ac3b8620337dd672e0c0c3a846
GHSA-rmr5-cpv2-vgjf https://github.com/advisories/GHSA-rmr5-cpv2-vgjf
GHSA-rmr5-cpv2-vgjf https://github.com/x-stream/xstream/security/advisories/GHSA-rmr5-cpv2-vgjf
msg00018.html https://lists.debian.org/debian-lts-announce/2022/02/msg00018.html
RHSA-2022:1420 https://access.redhat.com/errata/RHSA-2022:1420
RHSA-2022:5532 https://access.redhat.com/errata/RHSA-2022:5532
RHSA-2022:5606 https://access.redhat.com/errata/RHSA-2022:5606
VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ/
XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43859.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/x-stream/xstream
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/x-stream/xstream/commit/e8e88621ba1c85ac3b8620337dd672e0c0c3a846
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:42:17Z/ Found at https://github.com/x-stream/xstream/commit/e8e88621ba1c85ac3b8620337dd672e0c0c3a846
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/x-stream/xstream/security/advisories/GHSA-rmr5-cpv2-vgjf
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:42:17Z/ Found at https://github.com/x-stream/xstream/security/advisories/GHSA-rmr5-cpv2-vgjf
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2022/02/msg00018.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:42:17Z/ Found at https://lists.debian.org/debian-lts-announce/2022/02/msg00018.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2024/12/msg00023.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:42:17Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:42:17Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VACQYG356OHUTD5WQGAQ4L2TTFTAV3SJ
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XODFRE2ZL64FICBJDOPWOLPTSSAI4U7X
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-43859
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.oracle.com/security-alerts/cpuapr2022.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:42:17Z/ Found at https://www.oracle.com/security-alerts/cpuapr2022.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.oracle.com/security-alerts/cpujul2022.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:42:17Z/ Found at https://www.oracle.com/security-alerts/cpujul2022.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://x-stream.github.io/CVE-2021-43859.html
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

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:42:17Z/ Found at https://x-stream.github.io/CVE-2021-43859.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://www.openwall.com/lists/oss-security/2022/02/09/1
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

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:42:17Z/ Found at http://www.openwall.com/lists/oss-security/2022/02/09/1
Exploit Prediction Scoring System (EPSS)
Percentile 0.83478
EPSS Score 0.01863
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-10T18:08:19.012266+00:00 SUSE Severity Score Importer Import https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml 38.6.0