UBUNTU-CVE-2025-26695

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2025-26695
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-26695.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-26695
Upstream
Downstream
Related
Published
2025-03-10T19:15:00Z
Modified
2025-07-22T17:02:04Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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 affects Thunderbird < 136 and Thunderbird < 128.8.

References

Affected packages

Ubuntu:22.04:LTS / thunderbird

Package

Name
thunderbird
Purl
pkg:deb/ubuntu/thunderbird@1:128.12.0+build1-0ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:128.12.0+build1-0ubuntu0.22.04.1

Affected versions

1:91.*

1:91.1.2+build1-0ubuntu1
1:91.3.0+build2-0ubuntu1
1:91.3.1+build1-0ubuntu1
1:91.3.2+build1-0ubuntu1
1:91.4.0+build1.1-0ubuntu1
1:91.4.0+build2-0ubuntu1
1:91.5.0+build1-0ubuntu1
1:91.5.1+build1-0ubuntu1
1:91.6.1+build1-0ubuntu1
1:91.7.0+build1-0ubuntu1
1:91.7.0+build2-0ubuntu1
1:91.8.0+build2-0ubuntu1
1:91.9.1+build1-0ubuntu0.22.04.1
1:91.11.0+build2-0ubuntu0.22.04.1

1:102.*

1:102.2.2+build1-0ubuntu0.22.04.1
1:102.4.2+build2-0ubuntu0.22.04.1
1:102.7.1+build2-0ubuntu0.22.04.1
1:102.8.0+build2-0ubuntu0.22.04.1
1:102.9.0+build1-0ubuntu0.22.04.1
1:102.10.0+build2-0ubuntu0.22.04.1
1:102.11.0+build1-0ubuntu0.22.04.1
1:102.13.0+build1-0ubuntu0.22.04.1
1:102.15.0+build1-0ubuntu0.22.04.1
1:102.15.1+build1-0ubuntu0.22.04.1

1:115.*

1:115.3.1+build1-0ubuntu0.22.04.2
1:115.4.1+build1-0ubuntu0.22.04.1
1:115.5.0+build1-0ubuntu0.22.04.1
1:115.6.0+build2-0ubuntu0.22.04.1
1:115.8.1+build1-0ubuntu0.22.04.1
1:115.9.0+build1-0ubuntu0.22.04.1
1:115.10.1+build1-0ubuntu0.22.04.1
1:115.11.0+build2-0ubuntu0.22.04.1
1:115.12.0+build3-0ubuntu0.22.04.1
1:115.13.0+build5-0ubuntu0.22.04.1
1:115.15.0+build1-0ubuntu0.22.04.1
1:115.16.0+build2-0ubuntu0.22.04.1
1:115.18.0+build1-0ubuntu0.22.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "thunderbird",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-dbg",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-dev",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-gnome-support-dbg",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-af",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ar",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ast",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-be",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-bg",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-bn",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-bn-bd",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-br",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ca",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-cak",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-cs",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-cy",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-da",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-de",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-dsb",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-el",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-en",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-en-gb",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-en-us",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-es",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-es-ar",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-es-es",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-et",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-eu",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-fa",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-fi",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-fr",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-fy",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-fy-nl",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ga",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ga-ie",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-gd",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-gl",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-he",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-hr",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-hsb",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-hu",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-hy",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-id",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-is",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-it",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ja",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ka",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-kab",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-kk",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ko",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-lt",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-lv",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-mk",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ms",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-nb",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-nb-no",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-nl",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-nn",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-nn-no",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-pa",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-pa-in",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-pl",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-pt",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-pt-br",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-pt-pt",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-rm",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ro",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ru",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-si",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-sk",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-sl",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-sq",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-sr",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-sv",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-sv-se",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ta",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-ta-lk",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-th",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-tr",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-uk",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-uz",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-vi",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-zh-cn",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-zh-hans",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-zh-hant",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-locale-zh-tw",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
        }
    ],
    "availability": "No subscription required"
}