This bug was fixed in the package less - 458-3ubuntu1 --------------- less (458-3ubuntu1) xenial; urgency=medium
* d/p/03-707824-fix_double_free_with_multiple_regex_groups.patch: - Cherry-pick upstream fix for double free in regular expression code. (Closes: #707824; LP: #1521043) -- Richard Hansen <rhan...@rhansen.org> Sun, 29 Nov 2015 22:40:34 -0500 ** Changed in: less (Ubuntu) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to less in Ubuntu. https://bugs.launchpad.net/bugs/1521043 Title: less 458 crashes if search regex has many groups Status in less package in Ubuntu: Fix Released Status in less package in Debian: Incomplete Bug description: less 458 crashes if there are enough capture groups in the regular expression used for search: newline=$(printf \\nx); newline=${newline%x} echo x | LESS="+g/(((((x)))))${newline}" less On amd64, the above produces a segfault: Segmentation fault (core dumped) On i386, the above triggers an assert: *** Error in `less': double free or corruption (fasttop): 0x0887f9e8 *** Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/less/+bug/1521043/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp