Aviso de segurança USN-8736-1 corrige vulnerabilidades no Perl no Ubuntu

Detalhes

O aviso de segurança USN-8736-1, do projeto Ubuntu, trata de duas vulnerabilidades no Perl: CVE-2026-15534 e CVE-2026-19487. Publicado em 8 de setembro de 2026, o aviso tem como referência oficial https://ubuntu.com/security/notices/USN-8736-1.

As versões corrigidas listadas abrangem as releases 26.04 LTS resolute, 22.04 LTS jammy, 20.04 LTS focal, 18.04 LTS bionic, 16.04 LTS xenial e 14.04 LTS trusty.

Versões afetadas e pacotes corrigidos

Atualização

Nas releases 26.04 LTS e 22.04 LTS, as versões corrigidas são entregues como atualização padrão. Em 20.04 LTS, 18.04 LTS, 16.04 LTS e 14.04 LTS, o acesso às versões com sufixo +esm depende do Ubuntu Pro / ESM, conforme o aviso oficial.

A presença de dois CVEs no aviso não significa que todas as releases listadas sejam afetadas por todas as falhas.

Bloco de dados do aviso

Bloco estruturado do aviso original, com os identificadores protegidos preservados na ordem de origem:

{
"project": "ubuntu",
"event": "security",
"identifier": "USN-8736-1",
"version": null,
"announcementDate": "2026-09-08 14:25:07+00",
"officialSource": "https://ubuntu.com/security/notices/USN-8736-1",
"cves": [
"CVE-2026-15534",
"CVE-2026-19487"
],
"fixedPackages": [
{
"release": "26.04 LTS resolute",
"package": "libperl-dev",
"version": "5.40.1-7ubuntu0.2",
"access": "standard update"
},
{
"release": "26.04 LTS resolute",
"package": "libperl5.40",
"version": "5.40.1-7ubuntu0.2",
"access": "standard update"
},
{
"release": "26.04 LTS resolute",
"package": "perl-base",
"version": "5.40.1-7ubuntu0.2",
"access": "standard update"
},
{
"release": "26.04 LTS resolute",
"package": "perl-debug",
"version": "5.40.1-7ubuntu0.2",
"access": "standard update"
},
{
"release": "22.04 LTS jammy",
"package": "libperl-dev",
"version": "5.34.0-3ubuntu1.9",
"access": "standard update"
},
{
"release": "22.04 LTS jammy",
"package": "libperl5.34",
"version": "5.34.0-3ubuntu1.9",
"access": "standard update"
},
{
"release": "22.04 LTS jammy",
"package": "perl-base",
"version": "5.34.0-3ubuntu1.9",
"access": "standard update"
},
{
"release": "22.04 LTS jammy",
"package": "perl-debug",
"version": "5.34.0-3ubuntu1.9",
"access": "standard update"
},
{
"release": "20.04 LTS focal",
"package": "libperl-dev",
"version": "5.30.0-9ubuntu0.5+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "20.04 LTS focal",
"package": "libperl5.30",
"version": "5.30.0-9ubuntu0.5+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "20.04 LTS focal",
"package": "perl-base",
"version": "5.30.0-9ubuntu0.5+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "20.04 LTS focal",
"package": "perl-debug",
"version": "5.30.0-9ubuntu0.5+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "18.04 LTS bionic",
"package": "libperl-dev",
"version": "5.26.1-6ubuntu0.7+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "18.04 LTS bionic",
"package": "libperl5.26",
"version": "5.26.1-6ubuntu0.7+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "18.04 LTS bionic",
"package": "perl-base",
"version": "5.26.1-6ubuntu0.7+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "18.04 LTS bionic",
"package": "perl-debug",
"version": "5.26.1-6ubuntu0.7+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "libperl-dev",
"version": "5.22.1-9ubuntu0.9+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "libperl5.22",
"version": "5.22.1-9ubuntu0.9+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "perl-base",
"version": "5.22.1-9ubuntu0.9+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "perl-debug",
"version": "5.22.1-9ubuntu0.9+esm4",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "libperl-dev",
"version": "5.18.2-2ubuntu1.7+esm9",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "perl",
"version": "5.18.2-2ubuntu1.7+esm9",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "perl-base",
"version": "5.18.2-2ubuntu1.7+esm9",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "perl-debug",
"version": "5.18.2-2ubuntu1.7+esm9",
"access": "Ubuntu Pro / ESM (see official notice)"
}
],
"editorialLimits": "Use only these verified fields. No inferred features, upgrade commands, affected-version ranges or support deadlines. A release announcement does not establish distribution package availability. For security fixes preserve the exact distribution, package version and Pro/ESM access requirements; CVEs do not imply every listed release is affected by every issue."
}