CVE-2018-18751
CVSS v3
9.8
CRITICAL
EPSS Score
4.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2018-10-29
Frequently asked questions
What is CVE-2018-18751?
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.
Is CVE-2018-18751 actively exploited?
Active exploitation of CVE-2018-18751 has not been confirmed. Its EPSS score was 4.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-18751?
CVE-2018-18751 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-18751 affecting your environment?
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