CVEvulnerability
CVE-2018-18751
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2018-10-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-415
Description
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.
Affected configurations
• gnu gettext 0.19.8
• canonical ubuntu linux 12.04
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
• redhat enterprise linux 7.0
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00061.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00065.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00025.html lists.opensuse.org
- https://access.redhat.com/errata/RHSA-2019:3643 access.redhat.com
- https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/doublefree Exploit, Third Party Advisory
- https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/heapcorruption Exploit, Third Party Advisory
- https://usn.ubuntu.com/3815-1/ Third Party Advisory
- https://usn.ubuntu.com/3815-2/ Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00061.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00065.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00025.html lists.opensuse.org
- https://access.redhat.com/errata/RHSA-2019:3643 access.redhat.com
- https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/doublefree Exploit, Third Party Advisory
- https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/heapcorruption Exploit, Third Party Advisory
- https://usn.ubuntu.com/3815-1/ Third Party Advisory
- https://usn.ubuntu.com/3815-2/ Third Party Advisory