crítica
CVE-2019-25034
unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.
Severidad por fuente
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, Photon OS. Más baja según Red Hat (media), Amazon (media), Oracle (media), Rocky Linux (media), Ubuntu (media).
Descripción
Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| Photon OS 1.0 | unbound | 1.6.8-4.ph1 |
| Photon OS 2.0 | unbound | 1.6.8-4.ph2 |
| Photon OS 3.0 | unbound | 1.13.1-1.ph3 |
| Photon OS 5.0 | unbound, unbound-devel, unbound-docs | 1.26.0-1.ph5 |
| amazon linux 2 | python2-unbound, python3-unbound, unbound y 3 más | 1.7.3-15.amzn2.0.1 |
| debian 11 | unbound | 1.9.6-1 |
| debian 12 | unbound | 1.9.6-1 |
| debian 13 | unbound | 1.9.6-1 |
| debian 14 | unbound | 1.9.6-1 |
| debian 9 | unbound, unbound1.9 | 1.9.0-2+deb10u2~deb9u2 |
| echo | unbound | 1.9.6-1 |
| Oracle Linux 8 | python3-unbound, unbound, unbound-devel y 1 más | 1.7.3-15.el8 |
Mostrar las 35 entradas de 18 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| Photon OS 1.0 | unbound | 1.6.8-4.ph1 |
| Photon OS 2.0 | unbound | 1.6.8-4.ph2 |
| Photon OS 3.0 | unbound | 1.13.1-1.ph3 |
| Photon OS 5.0 | unbound | 1.26.0-1.ph5 |
| Photon OS 5.0 | unbound-devel | 1.26.0-1.ph5 |
| Photon OS 5.0 | unbound-docs | 1.26.0-1.ph5 |
| amazon linux 2 | python2-unbound | 1.7.3-15.amzn2.0.1 |
| amazon linux 2 | python3-unbound | 1.7.3-15.amzn2.0.1 |
| amazon linux 2 | unbound | 1.7.3-15.amzn2.0.1 |
| amazon linux 2 | unbound-debuginfo | 1.7.3-15.amzn2.0.1 |
| amazon linux 2 | unbound-devel | 1.7.3-15.amzn2.0.1 |
| amazon linux 2 | unbound-libs | 1.7.3-15.amzn2.0.1 |
| debian 11 | unbound | 1.9.6-1 |
| debian 12 | unbound | 1.9.6-1 |
| debian 13 | unbound | 1.9.6-1 |
| debian 14 | unbound | 1.9.6-1 |
| debian 9 | unbound | sin corrección indicada |
| debian 9 | unbound1.9 | 1.9.0-2+deb10u2~deb9u2 |
| echo | unbound | 1.9.6-1 |
| Oracle Linux 8 | python3-unbound | 1.7.3-15.el8 |
| Oracle Linux 8 | unbound | 1.7.3-15.el8 |
| Oracle Linux 8 | unbound-devel | 1.7.3-15.el8 |
| Oracle Linux 8 | unbound-libs | 1.7.3-15.el8 |
| Red Hat | unbound | sin corrección indicada |
| Red Hat | unbound-devel | sin corrección indicada |
| Red Hat | unbound-libs | sin corrección indicada |
| Red Hat | unbound-python | sin corrección indicada |
| rocky 8 | python3-unbound | 1.7.3-15.el8 |
| rocky 8 | unbound | 1.7.3-15.el8 |
| rocky 8 | unbound-devel | 1.7.3-15.el8 |
| rocky 8 | unbound-libs | 1.7.3-15.el8 |
| ubuntu 18.04 | unbound | 1.6.7-1ubuntu2.4 |
| ubuntu 18.04-ESM | unbound | 1.6.7-1ubuntu2.4 |
| ubuntu 20.04 | unbound | 1.9.4-2ubuntu1.2 |
| ubuntu 20.04-ESM | unbound | 1.9.4-2ubuntu1.2 |
Referencias
- https://access.redhat.com/errata/RHSA-2021:1853
- https://access.redhat.com/security/cve/CVE-2019-25034
- https://bugzilla.redhat.com/show_bug.cgi?id=1714175
- https://bugzilla.redhat.com/show_bug.cgi?id=1842837
- https://bugzilla.redhat.com/show_bug.cgi?id=1850460
- https://bugzilla.redhat.com/show_bug.cgi?id=1878761
- https://bugzilla.redhat.com/show_bug.cgi?id=1954772
- https://bugzilla.redhat.com/show_bug.cgi?id=1954778
Las 37 referencias
- https://bugzilla.redhat.com/show_bug.cgi?id=1954780
- https://bugzilla.redhat.com/show_bug.cgi?id=1954782
- https://bugzilla.redhat.com/show_bug.cgi?id=1954794
- https://bugzilla.redhat.com/show_bug.cgi?id=1954796
- https://bugzilla.redhat.com/show_bug.cgi?id=1954797
- https://bugzilla.redhat.com/show_bug.cgi?id=1954799
- https://bugzilla.redhat.com/show_bug.cgi?id=1954801
- https://bugzilla.redhat.com/show_bug.cgi?id=1954804
- https://creativecommons.org/licenses/by/4.0/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25032
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25034
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25035
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25036
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25037
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25038
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25039
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25040
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25041
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25042
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28935
- https://errata.rockylinux.org/RLSA-2021:1853
- https://linux.oracle.com/cve/CVE-2019-25034.html
- https://linux.oracle.com/errata/ELSA-2021-1853.html
- https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html
- https://nvd.nist.gov/vuln/detail/CVE-2019-25034
- https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/
- https://security.netapp.com/advisory/ntap-20210507-0007/
- https://ubuntu.com/security/notices/USN-4938-1
- https://www.cve.org/CVERecord?id=CVE-2019-25034