Vulnerability-Lookup

GHSA-WVVP-C8QH-3CC5

Vulnerability from github – Published: 2026-07-14 18:31 – Updated: 2026-07-14 18:31

Details

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.

Severity

4.3 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-62641"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-14T16:17:04Z",
    "severity": "MODERATE"
  },
  "details": "In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.",
  "id": "GHSA-wvvp-c8qh-3cc5",
  "modified": "2026-07-14T18:31:56Z",
  "published": "2026-07-14T18:31:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-62641"
    },
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/commit/6d1004fd3764a9606c53130b322c0f295c38be64"
    },
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/commit/bf253c72d4293c93fda511b8464fe9cb34b522c1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.17"
    },
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.2"
    },
    {
      "type": "WEB",
      "url": "https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-62641 (GCVE-0-2026-62641)

Vulnerability from cvelistv5 – Published: 2026-07-14 15:46 – Updated: 2026-07-14 17:27

Summary

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

mitre

References

5 references

URL	Tags
https://roundcube.net/news/2026/07/05/security-up…
https://github.com/roundcube/roundcubemail/releas…
https://github.com/roundcube/roundcubemail/commit…
https://github.com/roundcube/roundcubemail/releas…
https://github.com/roundcube/roundcubemail/commit…

Impacted products

1 product

Vendor	Product	Version
Roundcube	Webmail	Affected: 1.6.0 , < 1.6.17 (semver) Affected: 1.7.0 , < 1.7.2 (semver)

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JSON

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  "containers": {
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                "id": "CVE-2026-62641",
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-14T17:23:21.954751Z",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-WVVP-C8QH-3CC5

CVE-2026-62641 (GCVE-0-2026-62641)

Tags

Sightings

Nomenclature