crítica
CVE-2018-18751
gettext: double free in default_add_message in read-catalog.c
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat4.0CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Julia9.8CVSS:3.0/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, Julia, Photon OS. Más baja según Ubuntu (media), Red Hat (baja), AlmaLinux (baja), Amazon (baja), Oracle (baja), Rocky Linux (baja).
Descripción
An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| julia::Julia Ecosystem Security Advisories | Gettext_jll | 0.20.1+1 |
| Photon OS 1.0 | gettext | 0.19.5.1-4.ph1 |
| Photon OS 2.0 | gettext | 0.19.8.1-1.ph2 |
| Photon OS 3.0 | gettext | 0.19.8.1-3.ph3 |
| alma 8 | gettext, gettext-common-devel, gettext-devel y 1 más | 0.19.8.1-17.el8 |
| alpine 3.11 | gettext | 0.20.1-r0 |
| alpine 3.12 | gettext | 0.20.1-r0 |
| alpine 3.13 | gettext | 0.20.1-r0 |
| alpine 3.14 | gettext | 0.20.1-r0 |
| alpine 3.15 | gettext | 0.20.1-r0 |
| alpine 3.16 | gettext | 0.20.1-r0 |
| alpine 3.17 | gettext | 0.20.1-r0 |
Mostrar las 58 entradas de 37 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| julia::Julia Ecosystem Security Advisories | Gettext_jll | 0.20.1+1 |
| Photon OS 1.0 | gettext | 0.19.5.1-4.ph1 |
| Photon OS 2.0 | gettext | 0.19.8.1-1.ph2 |
| Photon OS 3.0 | gettext | 0.19.8.1-3.ph3 |
| alma 8 | gettext | 0.19.8.1-17.el8 |
| alma 8 | gettext-common-devel | 0.19.8.1-17.el8 |
| alma 8 | gettext-devel | 0.19.8.1-17.el8 |
| alma 8 | gettext-libs | 0.19.8.1-17.el8 |
| alpine 3.11 | gettext | 0.20.1-r0 |
| alpine 3.12 | gettext | 0.20.1-r0 |
| alpine 3.13 | gettext | 0.20.1-r0 |
| alpine 3.14 | gettext | 0.20.1-r0 |
| alpine 3.15 | gettext | 0.20.1-r0 |
| alpine 3.16 | gettext | 0.20.1-r0 |
| alpine 3.17 | gettext | 0.20.1-r0 |
| alpine 3.18 | gettext | 0.20.1-r0 |
| alpine 3.19 | gettext | 0.20.1-r0 |
| alpine 3.20 | gettext | 0.20.1-r0 |
| alpine 3.21 | gettext | 0.20.1-r0 |
| alpine 3.22 | gettext | 0.20.1-r0 |
| alpine 3.23 | gettext | 0.20.1-r0 |
| alpine 3.24 | gettext | 0.20.1-r0 |
| alpine edge | gettext | 0.20.1-r0 |
| amazon linux 2 | emacs-gettext | 0.19.8.1-3.amzn2 |
| amazon linux 2 | gettext | 0.19.8.1-3.amzn2 |
| amazon linux 2 | gettext-common-devel | 0.19.8.1-3.amzn2 |
| amazon linux 2 | gettext-debuginfo | 0.19.8.1-3.amzn2 |
| amazon linux 2 | gettext-devel | 0.19.8.1-3.amzn2 |
| amazon linux 2 | gettext-libs | 0.19.8.1-3.amzn2 |
| debian 11 | gettext | 0.19.8.1-9 |
| debian 12 | gettext | 0.19.8.1-9 |
| debian 13 | gettext | 0.19.8.1-9 |
| debian 14 | gettext | 0.19.8.1-9 |
| echo | gettext | 0.19.8.1-9 |
| Oracle Linux 7 | emacs-gettext | 0.19.8.1-3.el7 |
| Oracle Linux 7 | gettext | 0.19.8.1-3.el7 |
| Oracle Linux 7 | gettext-common-devel | 0.19.8.1-3.el7 |
| Oracle Linux 7 | gettext-devel | 0.19.8.1-3.el7 |
| Oracle Linux 7 | gettext-libs | 0.19.8.1-3.el7 |
| Oracle Linux 8 | gettext | 0.19.8.1-17.el8 |
| Oracle Linux 8 | gettext-common-devel | 0.19.8.1-17.el8 |
| Oracle Linux 8 | gettext-devel | 0.19.8.1-17.el8 |
| Oracle Linux 8 | gettext-libs | 0.19.8.1-17.el8 |
| Red Hat | mingw32-gettext | sin corrección indicada |
| Red Hat | mingw32-gettext-static | sin corrección indicada |
| Red Hat | mingw64-gettext | sin corrección indicada |
| Red Hat | mingw64-gettext-static | sin corrección indicada |
| rocky 8 | gettext | 0.19.8.1-17.el8 |
| rocky 8 | gettext-common-devel | 0.19.8.1-17.el8 |
| rocky 8 | gettext-devel | 0.19.8.1-17.el8 |
| rocky 8 | gettext-libs | 0.19.8.1-17.el8 |
| ubuntu 14.04 | gettext | 0.18.3.1-1ubuntu3.1 |
| ubuntu 14.04-ESM | gettext | 0.18.3.1-1ubuntu3.1 |
| ubuntu 16.04 | gettext | 0.19.7-2ubuntu3.1 |
| ubuntu 16.04-ESM | gettext | 0.19.7-2ubuntu3.1 |
| ubuntu 18.04 | gettext | 0.19.8.1-6ubuntu0.1 |
| ubuntu 18.04-ESM | gettext | 0.19.8.1-6ubuntu0.1 |
| ubuntu 18.10 | gettext | 0.19.8.1-8ubuntu0.1 |
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00061.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00065.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00025.html
- https://access.redhat.com/errata/RHSA-2019:3643
- https://access.redhat.com/security/cve/CVE-2018-18751
- https://bugzilla.redhat.com/show_bug.cgi?id=1647043
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18751
- https://errata.almalinux.org/8/ALSA-2019-3643.html
Las 19 referencias
- https://errata.rockylinux.org/RLSA-2019:3643
- https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/doublefree
- https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/heapcorruption
- https://linux.oracle.com/cve/CVE-2018-18751.html
- https://linux.oracle.com/errata/ELSA-2020-1138.html
- https://nvd.nist.gov/vuln/detail/CVE-2018-18751
- https://ubuntu.com/security/notices/USN-3815-1
- https://ubuntu.com/security/notices/USN-3815-2
- https://usn.ubuntu.com/3815-1/
- https://usn.ubuntu.com/3815-2/
- https://www.cve.org/CVERecord?id=CVE-2018-18751