Vulnerability-Lookup

CVE-2019-11739 (GCVE-0-2019-11739)

Vulnerability from cvelistv5 – Published: 2019-09-27 17:19 – Updated: 2024-08-04 23:03

Summary

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.

Severity

6.5 (Medium)


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

CWE

Covert Content Attack on S/MIME encryption using a crafted multipart/alternative message

Assigner

mozilla mitre root

References

6 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1571481	x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_CONFIRM
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/4150-1/	vendor-advisoryx_refsource_UBUNTU

Impacted products

1 product

Vendor	Product	Version	CPE status
Mozilla	Thunderbird	Affected: unspecified , < 68.1 (custom) Affected: unspecified , < 60.9 (custom)	guessed

Show details on NVD website

JSON

To clipboard

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}

RHSA-2019:2807

Vulnerability from csaf_redhat - Published: 2019-09-19 06:33 - Updated: 2026-06-25 10:54

Summary

Red Hat Security Advisory: thunderbird security update

Severity

Important

Scope

7 vulnerabilities in this advisory, including CVE-2019-11739.

CVE-2019-11739

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.

6.5 (Medium)


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

Fixed: 19 products

https://access.redhat.com/errata/RHSA-2019:2807

Open the full advisory

SUSE-SU-2019:2515-1

Vulnerability from csaf_suse - Published: 2019-10-02 08:48 - Updated: 2019-10-02 08:48

Summary

Security update for MozillaThunderbird

Severity

Important

Scope

27 vulnerabilities in this advisory, including CVE-2019-11739.

CVE-2019-11739

5.3 (Medium)


                
                  CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Recommended: 6 products

Open the full advisory

ubuntu-cve-2019-11739

Vulnerability from osv_ubuntu

Published

2019-09-27 18:15

Modified

2026-04-22 07:38

Summary

Details

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.

Severity

6.5 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2019-11739	REPORT
	https://www.mozilla.org/en-US/security/advisories…	REPORT
	https://ubuntu.com/security/notices/USN-4150-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2019-11739	REPORT

JSON

To clipboard

{
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        "availability": "No subscription required",
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            "binary_name": "thunderbird",
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          },
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            "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2"
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            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2"
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  "details": "Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird \u003c 68.1 and Thunderbird \u003c 60.9.",
  "id": "UBUNTU-CVE-2019-11739",
  "modified": "2026-04-22T07:38:59Z",
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    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4150-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-11739"
    }
  ],
  "related": [
    "USN-4150-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-11739"
  ]
}

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.

Action not permitted

CVE-2019-11739 (GCVE-0-2019-11739)

RHSA-2019:2807

SUSE-SU-2019:2515-1

ubuntu-cve-2019-11739

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature