CVE-2018-18751

Source
Severity High
Remote Yes
Type Arbitrary code execution
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.
Group Package Affected Fixed Severity Status Ticket
AVG-885 gettext 0.19.8.1-1 0.19.8.1-4 High Vulnerable
References
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://git.savannah.gnu.org/gitweb/?p=gettext.git;a=commitdiff;h=dce3a16