CVE-2026-59825 Mastodon: Unwanted deactivation of SSL/TLS certificate verification

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.19 and from 4.5.0 until 4.5.12, Mastodon's app/models/concerns/user/ldapauthenticable.rb mutates OpenSSL::SSL::SSLContext::DEFAULTPARAMS when LDAP authentication uses LDAPTLSNOVERIFY=true, disabling SSL and T...

CVE-2026-59825

When LDAP auth uses LDAP_TLS_NO_VERIFY=true, app/models/concerns/user/ldap_authenticable.rb mutates OpenSSL::SSL::SSLContext::DEFAULT_PARAMS, disabling SSL/TLS verification globally for puma web processes. This enables MITM attacks against all puma-originated HTTPS requests. Fixed in Mastodon 4.4...

EUVD-2026-60953

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.19 and from 4.5.0 until 4.5.12, Mastodon's app/models/concerns/user/ldapauthenticable.rb mutates OpenSSL::SSL::SSLContext::DEFAULTPARAMS when LDAP authentication uses LDAPTLSNOVERIFY=true, disabling SSL and T...

EUVD-2021-16092

Malware in sbrugna...

EUVD-2024-26226

Malicious code in bioql PyPI...

CVE-2019-10314

Jenkins Koji Plugin disables SSL/TLS and hostname verification globally for the Jenkins master JVM...

CVE-2019-10317

Jenkins SiteMonitor Plugin 0.5 and earlier disabled SSL/TLS and hostname verification globally for the Jenkins master JVM...

Moderate: Red Hat Security Advisory: python3.12-urllib3 security update

An update for python3.12-urllib3 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

ALSA-2024:9457 Moderate: python3.12-urllib3 security update

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: • Thread safety. • Connection pooling. • Client-side SSL/TLS verification. • File uploads with multipart encoding. • Helpers for retrying request...

RLSA-2024:8842 Moderate: python3.12-urllib3 security update

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: • Thread safety. • Connection pooling. • Client-side SSL/TLS verification. • File uploads with multipart encoding. • Helpers for retrying request...

ALSA-2024:8842 Moderate: python3.12-urllib3 security update

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: • Thread safety. • Connection pooling. • Client-side SSL/TLS verification. • File uploads with multipart encoding. • Helpers for retrying request...

[SECURITY] Fedora 39 Update: python-urllib3-1.26.19-1.fc39

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: =E2=80=A2 Thread safety. =E2=80=A2 Connection pooling. =E2=80=A2 Client-side SSL/TLS verification. =E2=80=A2 File uploads with multipart encoding...

[SECURITY] Fedora 40 Update: python-urllib3-1.26.19-1.fc40

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: =E2=80=A2 Thread safety. =E2=80=A2 Connection pooling. =E2=80=A2 Client-side SSL/TLS verification. =E2=80=A2 File uploads with multipart encoding...

CVE-2024-29209

A medium severity vulnerability has been identified in the update mechanism of the Phish Alert Button for Outlook, which could allow an attacker to remotely execute arbitrary code on the host machine. The vulnerability arises from the application's failure to securely verify the authenticity and...

CVE-2024-29209

The CVE-2024-29209/29210 family concerns Phish Alert Button (PAB) for Outlook and related KnowBe4 clients. Technical details across connected records show: attack via update mechanism (CVE-2024-29209) where the client fails to validate the update server’s TLS/SSL and ignores digital signatures, e...

[SECURITY] Fedora 39 Update: python-urllib3-1.26.18-1.fc39

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: =EF=BF=BD=EF=BF=BD=EF=BF=BD Thread safety. =EF=BF=BD=EF=BF=BD=EF=BF=BD Connection pooling. =EF=BF=BD=EF=BF=BD=EF=BF=BD Client-side SSL/TLS...

[SECURITY] Fedora 38 Update: python-urllib3-1.26.18-1.fc38

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: =EF=BF=BD=EF=BF=BD=EF=BF=BD Thread safety. =EF=BF=BD=EF=BF=BD=EF=BF=BD Connection pooling. =EF=BF=BD=EF=BF=BD=EF=BF=BD Client-side SSL/TLS...

[SECURITY] Fedora 37 Update: python-urllib3-1.26.17-1.fc37

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: =EF=BF=BD=EF=BF=BD=EF=BF=BD Thread safety. =EF=BF=BD=EF=BF=BD=EF=BF=BD Connection pooling. =EF=BF=BD=EF=BF=BD=EF=BF=BD Client-side SSL/TLS...

[SECURITY] Fedora 38 Update: python-urllib3-1.26.17-1.fc38

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: =EF=BF=BD=EF=BF=BD=EF=BF=BD Thread safety. =EF=BF=BD=EF=BF=BD=EF=BF=BD Connection pooling. =EF=BF=BD=EF=BF=BD=EF=BF=BD Client-side SSL/TLS...

CVE-2022-45391

Jenkins NS-ND Integration Performance Publisher Plugin 4.8.0.143 and earlier globally and unconditionally disables SSL/TLS certificate and hostname validation for the entire Jenkins controller JVM...