Home/CVE/ansi-regex is vulnerable to Inefficient Regular Expression Complexity
CVE

CVE-2021-3807

ansi-regex is vulnerable to Inefficient Regular Expression Complexity

ansi-regex is vulnerable to Inefficient Regular Expression Complexity.

HIGH · CVSS 7.5 EPSS 0.00215
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1333Inefficient Regular Expression Complexity
CWE-1333Inefficient Regular Expression Complexity
▤

Affected Products & Versions

3
ansi-regex project ansi-regex>= 4.0.0 and < 4.1.1
ansi-regex project ansi-regexall versions
oracle communications cloud native core policyall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm ansi-regex HIGH fixed in 6.0.1
⚠

Public Exploits & PoCs

1
pochuntr.dev · 5b3cf33b-ede0-4398-9974-800876dfd994huntr.dev
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@huntr.dev
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Sep 2021 · 07:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

30
suse-csafopenSUSE-SU-2024:12723-1
suse-csafsuse-ru-2024_0511-1
suse-csafSUSE-SU-2024:0486-1
suse-csafSUSE-SU-2024:0487-1
suse-csafSUSE-SU-2024:0191-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/chalk/ansi-regex/commit/8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20221014-0002/Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
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