CVE-2021-3537
CVE-2021-3537
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
CVSS 5.9 · Media · EPSS 3,6% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
libxml2
- Versiones
- libxml2 2.9.11: Afectada
Sin corrección publicada
libxml2 Debian:12
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.9.10+dfsg-6.6
Actualiza a 2.9.10+dfsg-6.6
libxml2 Debian:13
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.9.10+dfsg-6.6
Actualiza a 2.9.10+dfsg-6.6
libxml2 Debian:14
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.9.10+dfsg-6.6
Actualiza a 2.9.10+dfsg-6.6
libxml2 Ubuntu:Pro:14.04:LTS
- Versiones
- 2.9.1+dfsg1-3ubuntu2
- 2.9.1+dfsg1-3ubuntu3
- 2.9.1+dfsg1-3ubuntu4
- 2.9.1+dfsg1-3ubuntu4.1
- 2.9.1+dfsg1-3ubuntu4.2
- 2.9.1+dfsg1-3ubuntu4.3
- 2.9.1+dfsg1-3ubuntu4.4
- 2.9.1+dfsg1-3ubuntu4.5
- 2.9.1+dfsg1-3ubuntu4.6
- 2.9.1+dfsg1-3ubuntu4.7
- 2.9.1+dfsg1-3ubuntu4.8
- 2.9.1+dfsg1-3ubuntu4.9
- 2.9.1+dfsg1-3ubuntu4.10
- 2.9.1+dfsg1-3ubuntu4.11
- 2.9.1+dfsg1-3ubuntu4.12
- 2.9.1+dfsg1-3ubuntu4.13
- 2.9.1+dfsg1-3ubuntu4.13+esm1
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.9.1+dfsg1-3ubuntu4.13+esm2
Actualiza a 2.9.1+dfsg1-3ubuntu4.13+esm2
libxml2 Ubuntu:Pro:16.04:LTS
- Versiones
- 2.9.2+zdfsg1-4
- 2.9.2+zdfsg1-4ubuntu1
- 2.9.2+zdfsg1-4ubuntu2
- 2.9.2+zdfsg1-4ubuntu3
- 2.9.3+dfsg1-1
- 2.9.3+dfsg1-1ubuntu0.1
- 2.9.3+dfsg1-1ubuntu0.2
- 2.9.3+dfsg1-1ubuntu0.3
- 2.9.3+dfsg1-1ubuntu0.4
- 2.9.3+dfsg1-1ubuntu0.5
- 2.9.3+dfsg1-1ubuntu0.6
- 2.9.3+dfsg1-1ubuntu0.7
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.9.3+dfsg1-1ubuntu0.7+esm1
Actualiza a 2.9.3+dfsg1-1ubuntu0.7+esm1
libxml2 Ubuntu:18.04:LTS
- Versiones
- 2.9.4+dfsg1-4ubuntu1
- 2.9.4+dfsg1-5ubuntu1
- 2.9.4+dfsg1-5ubuntu2
- 2.9.4+dfsg1-5.1ubuntu1
- 2.9.4+dfsg1-5.2ubuntu1
- 2.9.4+dfsg1-6.1ubuntu1
- 2.9.4+dfsg1-6.1ubuntu1.2
- 2.9.4+dfsg1-6.1ubuntu1.3
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.9.4+dfsg1-6.1ubuntu1.4
Actualiza a 2.9.4+dfsg1-6.1ubuntu1.4
libxml2 Ubuntu:20.04:LTS
- Versiones
- 2.9.4+dfsg1-7ubuntu3
- 2.9.4+dfsg1-7ubuntu5
- 2.9.4+dfsg1-8ubuntu1
- 2.9.4+dfsg1-8ubuntu2
- 2.9.4+dfsg1-8ubuntu3
- 2.9.10+dfsg-1ubuntu3
- 2.9.10+dfsg-4build1
- 2.9.10+dfsg-5
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.9.10+dfsg-5ubuntu0.20.04.1
Actualiza a 2.9.10+dfsg-5ubuntu0.20.04.1
Fuentes originales
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
- https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1956522
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
- https://security.gentoo.org/glsa/202107-05
- https://security.netapp.com/advisory/ntap-20210625-0002/
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-3537