CVE-2025-26695

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

Debian:11 / thunderbird

Package

Name: thunderbird
Purl: pkg:deb/debian/thunderbird?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:128.8.0esr-1~deb11u1

Affected versions

1:78.*

1:78.12.0-1

1:78.13.0-1~deb9u1

1:78.13.0-1~deb10u1

1:78.13.0-1~deb11u1

1:78.13.0-1

1:78.14.0-1~deb9u1

1:78.14.0-1~deb10u1

1:78.14.0-1~deb11u1

1:78.14.0-1

1:84.*

1:84.0~b3-1

1:85.*

1:85.0~b3-1

1:86.*

1:86.0~b3-1

1:88.*

1:88.0~b2-1

1:89.*

1:89.0~b2-1

1:90.*

1:90.0~b2-1

1:91.*

1:91.0~b1-1

1:91.0~b3-1

1:91.0~b5-1

1:91.0-1

1:91.0.2-1

1:91.1.0-1

1:91.1.1-1

1:91.2.0-1

1:91.2.1-1

1:91.3.0-1

1:91.3.2-1

1:91.4.0-1

1:91.4.1-1~deb9u1

1:91.4.1-1~deb10u1

1:91.4.1-1~deb11u1

1:91.4.1-1

1:91.5.0-1~deb9u1

1:91.5.0-1

1:91.5.0-2~deb10u1

1:91.5.0-2~deb11u1

1:91.5.0-2

1:91.5.1-1

1:91.6.0-1~deb9u1

1:91.6.0-1~deb10u1

1:91.6.0-1~deb11u1

1:91.6.0-1

1:91.6.1-1~deb9u1

1:91.6.1-1~deb10u1

1:91.6.1-1~deb11u1

1:91.6.1-1

1:91.6.2-1~deb9u1

1:91.6.2-1~deb10u1

1:91.6.2-1~deb11u1

1:91.6.2-1

1:91.7.0-1

1:91.7.0-2~deb9u1

1:91.7.0-2~deb10u1

1:91.7.0-2~deb11u1

1:91.7.0-2

1:91.8.0-1~deb9u1

1:91.8.0-1~deb10u1

1:91.8.0-1~deb11u1

1:91.8.0-1

1:91.8.1-1

1:91.9.0-1~deb9u1

1:91.9.0-1~deb10u1

1:91.9.0-1~deb11u1

1:91.9.0-1

1:91.10.0-1~deb9u1

1:91.10.0-1~deb10u1

1:91.10.0-1~deb11u1

1:91.10.0-1

1:91.11.0-1~deb10u1

1:91.11.0-1~deb11u1

1:91.11.0-1

1:91.12.0-1~deb10u1

1:91.12.0-1~deb11u1

1:91.13.0-1~deb10u1

1:91.13.0-1~deb11u1

1:102.*

1:102.0~b4-1

1:102.0~b7-1

1:102.0.1-1

1:102.0.2-1

1:102.1.0-1

1:102.1.1-1

1:102.1.2-1

1:102.2.0-1

1:102.2.1-1

1:102.2.2-1

1:102.3.0-1~deb10u1

1:102.3.0-1~deb11u1

1:102.3.0-1

1:102.3.1-1

1:102.3.2-1

1:102.3.3-1

1:102.4.0-1~deb10u1

1:102.4.0-1~deb11u1

1:102.4.0-1

1:102.4.1-1

1:102.5.0-1~deb10u1

1:102.5.0-1~deb11u1

1:102.5.0-1

1:102.5.1-1

1:102.6.0-1~deb10u1

1:102.6.0-1~deb11u1

1:102.6.0-1

1:102.7.1-1

1:102.7.1+1-1

1:102.7.2-1

1:102.8.0-1~deb10u1

1:102.8.0-1~deb11u1

1:102.8.0-1

1:102.9.0-1~deb10u1

1:102.9.0-1~deb11u1

1:102.9.0-1

1:102.9.1-1

1:102.10.0-1~deb10u1

1:102.10.0-1~deb11u1

1:102.10.0-1

1:102.11.0-1~deb10u1

1:102.11.0-1~deb11u1

1:102.11.0-1

1:102.12.0-1~deb10u1

1:102.12.0-1~deb11u1

1:102.12.0-1~deb12u1

1:102.12.0-1

1:102.13.0-1~deb10u1

1:102.13.0-1~deb11u1

1:102.13.0-1~deb12u1

1:102.13.0-1

1:102.13.1-1~deb10u1

1:102.13.1-1~deb11u1

1:102.13.1-1~deb12u1

1:102.13.1-1

1:102.14.0-1~deb10u1

1:102.14.0-1~deb11u1

1:102.14.0-1~deb12u1

1:102.15.0-1~deb10u1

1:102.15.0-1~deb11u1

1:102.15.0-1~deb12u1

1:102.15.1-1~deb10u1

1:102.15.1-1~deb11u1

1:102.15.1-1~deb12u1

1:103.*

1:103.0~b5-1

1:104.*

1:104.0~b2-1

1:110.*

1:110.0~b4-1

1:112.*

1:112.0~b1-1

1:113.*

1:113.0~b3-1

1:114.*

1:114.0~b2-1

1:115.*

1:115.0~b4-1

1:115.0~b6-1

1:115.0-1

1:115.0.1-1

1:115.0.1-2

1:115.1.0-1

1:115.1.1-1

1:115.2.0-1

1:115.2.2-1

1:115.3.0-1~deb12u1

1:115.3.0-1

1:115.3.1-1~deb10u1

1:115.3.1-1~deb11u1

1:115.3.1-1~deb12u1

1:115.3.1-1

1:115.4.1-1~deb10u1

1:115.4.1-1~deb11u1

1:115.4.1-1~deb12u1

1:115.4.1-1

1:115.5.0-1~deb10u1

1:115.5.0-1~deb11u1

1:115.5.0-1~deb12u1

1:115.5.0-1

1:115.5.1-1

1:115.5.2-1

1:115.6.0-1~deb10u1

1:115.6.0-1~deb11u1

1:115.6.0-1~deb12u1

1:115.6.0-1

1:115.7.0-1~deb10u1

1:115.7.0-1~deb11u1

1:115.7.0-1~deb12u1

1:115.7.0-1

1:115.8.0-1~deb10u1

1:115.8.0-1~deb11u1

1:115.8.0-1~deb12u1

1:115.8.0-1

1:115.8.1-1

1:115.9.0-1~deb10u1

1:115.9.0-1~deb11u1

1:115.9.0-1~deb12u1

1:115.9.0-1

1:115.10.1-1~deb10u1

1:115.10.1-1~deb11u1

1:115.10.1-1~deb12u1

1:115.10.1-1

1:115.11.0-1~deb10u1

1:115.11.0-1~deb11u1

1:115.11.0-1~deb12u1

1:115.11.0-1

1:115.12.0-1~deb10u1

1:115.12.0-1~deb11u1

1:115.12.0-1~deb12u1

1:115.12.0-1

1:115.13.0-1~deb11u1

1:115.13.0-1~deb12u1

1:115.13.0-1

1:115.14.0-1~deb11u1

1:115.14.0-1~deb12u1

1:115.15.0-1~deb11u1

1:115.15.0-1~deb12u1

1:115.16.0esr-1~deb11u1

1:115.16.0esr-1~deb12u1

1:116.*

1:116.0~b7-1

1:117.*

1:117.0~b5-1

1:120.*

1:120.0~b1-1

1:121.*

1:121.0~b3-1

1:122.*

1:122.0~b2-1

1:124.*

1:124.0~b5-1

1:125.*

1:125.0~b3-1

1:127.*

1:127.0~b5-1

1:128.*

1:128.0~b5-1

1:128.0esr-1

1:128.1.0esr-1

1:128.1.1esr-1

1:128.2.0esr-1

1:128.2.1esr-1

1:128.2.3esr-1

1:128.3.0esr-1

1:128.3.2esr-1

1:128.4.0esr-1~deb11u1

1:128.4.0esr-1~deb12u1

1:128.4.0esr-1

1:128.4.2esr-1

1:128.4.3esr-1~deb11u1

1:128.4.3esr-1~deb12u1

1:128.4.3esr-1

1:128.5.0esr-1~deb11u1

1:128.5.0esr-1~deb12u1

1:128.5.0esr-1

1:128.5.2esr-1

1:128.6.0esr-1~deb11u1

1:128.6.0esr-1~deb12u1

1:128.6.0esr-1

1:128.7.0esr-1~deb11u1

1:128.7.0esr-1~deb12u1

1:128.7.0esr-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / thunderbird

Package

Name: thunderbird
Purl: pkg:deb/debian/thunderbird?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:128.8.0esr-1~deb12u1

Affected versions

1:102.*

1:102.11.0-1

1:102.12.0-1~deb10u1

1:102.12.0-1~deb11u1

1:102.12.0-1~deb12u1

1:102.12.0-1

1:102.13.0-1~deb10u1

1:102.13.0-1~deb11u1

1:102.13.0-1~deb12u1

1:102.13.0-1

1:102.13.1-1~deb10u1

1:102.13.1-1~deb11u1

1:102.13.1-1~deb12u1

1:102.13.1-1

1:102.14.0-1~deb10u1

1:102.14.0-1~deb11u1

1:102.14.0-1~deb12u1

1:102.15.0-1~deb10u1

1:102.15.0-1~deb11u1

1:102.15.0-1~deb12u1

1:102.15.1-1~deb10u1

1:102.15.1-1~deb11u1

1:102.15.1-1~deb12u1

1:103.*

1:103.0~b5-1

1:104.*

1:104.0~b2-1

1:110.*

1:110.0~b4-1

1:112.*

1:112.0~b1-1

1:113.*

1:113.0~b3-1

1:114.*

1:114.0~b2-1

1:115.*

1:115.0~b4-1

1:115.0~b6-1

1:115.0-1

1:115.0.1-1

1:115.0.1-2

1:115.1.0-1

1:115.1.1-1

1:115.2.0-1

1:115.2.2-1

1:115.3.0-1~deb12u1

1:115.3.0-1

1:115.3.1-1~deb10u1

1:115.3.1-1~deb11u1

1:115.3.1-1~deb12u1

1:115.3.1-1

1:115.4.1-1~deb10u1

1:115.4.1-1~deb11u1

1:115.4.1-1~deb12u1

1:115.4.1-1

1:115.5.0-1~deb10u1

1:115.5.0-1~deb11u1

1:115.5.0-1~deb12u1

1:115.5.0-1

1:115.5.1-1

1:115.5.2-1

1:115.6.0-1~deb10u1

1:115.6.0-1~deb11u1

1:115.6.0-1~deb12u1

1:115.6.0-1

1:115.7.0-1~deb10u1

1:115.7.0-1~deb11u1

1:115.7.0-1~deb12u1

1:115.7.0-1

1:115.8.0-1~deb10u1

1:115.8.0-1~deb11u1

1:115.8.0-1~deb12u1

1:115.8.0-1

1:115.8.1-1

1:115.9.0-1~deb10u1

1:115.9.0-1~deb11u1

1:115.9.0-1~deb12u1

1:115.9.0-1

1:115.10.1-1~deb10u1

1:115.10.1-1~deb11u1

1:115.10.1-1~deb12u1

1:115.10.1-1

1:115.11.0-1~deb10u1

1:115.11.0-1~deb11u1

1:115.11.0-1~deb12u1

1:115.11.0-1

1:115.12.0-1~deb10u1

1:115.12.0-1~deb11u1

1:115.12.0-1~deb12u1

1:115.12.0-1

1:115.13.0-1~deb11u1

1:115.13.0-1~deb12u1

1:115.13.0-1

1:115.14.0-1~deb11u1

1:115.14.0-1~deb12u1

1:115.15.0-1~deb11u1

1:115.15.0-1~deb12u1

1:115.16.0esr-1~deb11u1

1:115.16.0esr-1~deb12u1

1:116.*

1:116.0~b7-1

1:117.*

1:117.0~b5-1

1:120.*

1:120.0~b1-1

1:121.*

1:121.0~b3-1

1:122.*

1:122.0~b2-1

1:124.*

1:124.0~b5-1

1:125.*

1:125.0~b3-1

1:127.*

1:127.0~b5-1

1:128.*

1:128.0~b5-1

1:128.0esr-1

1:128.1.0esr-1

1:128.1.1esr-1

1:128.2.0esr-1

1:128.2.1esr-1

1:128.2.3esr-1

1:128.3.0esr-1

1:128.3.2esr-1

1:128.4.0esr-1~deb11u1

1:128.4.0esr-1~deb12u1

1:128.4.0esr-1

1:128.4.2esr-1

1:128.4.3esr-1~deb11u1

1:128.4.3esr-1~deb12u1

1:128.4.3esr-1

1:128.5.0esr-1~deb11u1

1:128.5.0esr-1~deb12u1

1:128.5.0esr-1

1:128.5.2esr-1

1:128.6.0esr-1~deb11u1

1:128.6.0esr-1~deb12u1

1:128.6.0esr-1

1:128.7.0esr-1~deb11u1

1:128.7.0esr-1~deb12u1

1:128.7.0esr-1

1:128.8.0esr-1~deb11u1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / thunderbird

Package

Name: thunderbird
Purl: pkg:deb/debian/thunderbird?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:128.8.0esr-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}