FKIE_CVE-2026-23490

Vulnerability from fkie_nvd - Published: 2026-01-16 19:16 - Updated: 2026-03-13 14:19
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2.
References
security-advisories@github.comhttps://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970Patch
security-advisories@github.comhttps://github.com/pyasn1/pyasn1/releases/tag/v0.6.2Product, Release Notes
security-advisories@github.comhttps://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhqVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2026/02/msg00002.htmlVendor Advisory
Impacted products
Vendor Product Version
pyasn1 pyasn1 *
debian debian_linux 11.0
To clipboard 

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  "id": "CVE-2026-23490",
  "lastModified": "2026-03-13T14:19:34.873",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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