CVE-2018-18751
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-18751
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18751.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-18751
- Downstream
- Related
- Published
- 2018-10-29T12:29:09Z
- Modified
- 2025-08-09T19:01:28Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in GNU gettext 0.19.8. There is a double free in defaultaddmessage in read-catalog.c, related to an invalid free in pogramparse in po-gram-gen.y, as demonstrated by lt-msgfmt.
- References
-
- https://access.redhat.com/errata/RHSA-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://usn.ubuntu.com/3815-1/
- https://usn.ubuntu.com/3815-2/
- 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