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Status published
Critical
CVE-2018-18751
An issue was discovered in GNU gettext 0.19.8. There is...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://usn.ubuntu.com/3815-2/
- https://usn.ubuntu.com/3815-1/
- https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/heapcorruption
- https://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/doublefree
- https://access.redhat.com/errata/RHSA-2019:3643
- 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
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Affected Vendor
Affected Software
gettext, ubuntu linux, enterprise linux
Vulnerable Versions:
0.19.8, 12.04, 14.04, 16.04, 18.04, 18.10, 7.0
Timeline
Official Publish:
October 28th, 2018
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.