CVE-2018-18751 - log back

CVE-2018-18751 created at 25 Sep 2019 19:31:40
Severity
+ High
Remote
+ Remote
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.
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
Notes