Vulnerability-Lookup

CNVD-2025-05236

Vulnerability from cnvd - Published: 2025-03-17

Title

Mozilla Thunderbird代码问题漏洞

Description

Mozilla Thunderbird是美国Mozilla基金会的一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla Thunderbird 136之前版本和128.8之前版本存在代码问题漏洞，该漏洞源于从WKD服务器请求OpenPGP密钥时使用了不正确的填充大小，攻击者可利用该漏洞导致网络观察者获取请求的电子邮件地址长度。

Severity

中

Patch Name

Mozilla Thunderbird代码问题漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.mozilla.org/security/advisories/mfsa2025-17/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-26695

Impacted products

Name
['Mozilla Thunderbird <136', 'Mozilla Thunderbird <128.8']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-26695",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-26695"
    }
  },
  "description": "Mozilla Thunderbird\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u4eceMozilla Application Suite\u72ec\u7acb\u51fa\u6765\u7684\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u652f\u6301IMAP\u3001POP\u90ae\u4ef6\u534f\u8bae\u4ee5\u53caHTML\u90ae\u4ef6\u683c\u5f0f\u3002\n\nMozilla Thunderbird 136\u4e4b\u524d\u7248\u672c\u548c128.8\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4eceWKD\u670d\u52a1\u5668\u8bf7\u6c42OpenPGP\u5bc6\u94a5\u65f6\u4f7f\u7528\u4e86\u4e0d\u6b63\u786e\u7684\u586b\u5145\u5927\u5c0f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f51\u7edc\u89c2\u5bdf\u8005\u83b7\u53d6\u8bf7\u6c42\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u957f\u5ea6\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.mozilla.org/security/advisories/mfsa2025-17/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-05236",
  "openTime": "2025-03-17",
  "patchDescription": "Mozilla Thunderbird\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u4eceMozilla Application Suite\u72ec\u7acb\u51fa\u6765\u7684\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u652f\u6301IMAP\u3001POP\u90ae\u4ef6\u534f\u8bae\u4ee5\u53caHTML\u90ae\u4ef6\u683c\u5f0f\u3002\r\n\r\nMozilla Thunderbird 136\u4e4b\u524d\u7248\u672c\u548c128.8\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4eceWKD\u670d\u52a1\u5668\u8bf7\u6c42OpenPGP\u5bc6\u94a5\u65f6\u4f7f\u7528\u4e86\u4e0d\u6b63\u786e\u7684\u586b\u5145\u5927\u5c0f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f51\u7edc\u89c2\u5bdf\u8005\u83b7\u53d6\u8bf7\u6c42\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u957f\u5ea6\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Mozilla Thunderbird\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Mozilla Thunderbird \u003c136",
      "Mozilla Thunderbird \u003c128.8"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-26695",
  "serverity": "\u4e2d",
  "submitTime": "2025-03-12",
  "title": "Mozilla Thunderbird\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2025-26695 (GCVE-0-2025-26695)

Vulnerability from cvelistv5 – Published: 2025-03-10 18:41 – Updated: 2026-04-13 14:27

Title

Downloading of OpenPGP keys from WKD used incorrect padding

Summary

When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

Severity

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-10 18:51 UTC

CWE

CWE-noinfo Not enough information

Assigner

mozilla mitre root

References

3 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1883039
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

1 product

Vendor	Product	Version
Mozilla	Thunderbird	Unaffected: 128.8 , ≤ 128.* (rpm) Unaffected: 136 , ≤ * (rpm)

Credits

Daniel Huigens

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "LOW",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-26695",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-10T18:51:16.839667Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-12T18:37:28.315Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "128.*",
              "status": "unaffected",
              "version": "128.8",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "136",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Daniel Huigens"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8."
            }
          ],
          "value": "When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-13T14:27:29.612Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1883039"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2025-17/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2025-18/"
        }
      ],
      "title": "Downloading of OpenPGP keys from WKD used incorrect padding"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2025-26695",
    "datePublished": "2025-03-10T18:41:25.460Z",
    "dateReserved": "2025-02-13T22:03:43.233Z",
    "dateUpdated": "2026-04-13T14:27:29.612Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.