CVE-2008-1927

Status: ModifiedMedium (5)—
Double free vulnerability in Perl 5.8.8 allows context-dependent attackers to cause a denial of service (memory corruption and crash) via a crafted regular expression containing UTF8 characters. NOTE: this issue might only be present on certain operating systems.
CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Base score: 5
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 3.15%
Percentile among all scored CVEs: 88
Score date: 10/7/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)

Perl — Perl
CWEs

CWE-399
References

Raw JSON (NVD)

Show
{
  "id": "CVE-2008-1927",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
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          "versions": [
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  "published": "2008-04-24T05:05:00.000",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Double free vulnerability in Perl 5.8.8 allows context-dependent attackers to cause a denial of service (memory corruption and crash) via a crafted regular expression containing UTF8 characters.  NOTE: this issue might only be present on certain operating systems."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de doble liberacioón en Perl 5.8.8 permite a los atacantes, dependiendo del contexto, causar una denegación de servicio (corrupción de memoria y caida) a través de  expresiones regulares manipuladas conteniendo caracteres UTF8. NOTE: esta característica solo está presente en ciertos sistemas operativos."
    }
  ],
  "lastModified": "2026-06-16T22:52:46.057",
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}