Heap-buffer-overflow in Perl__byte_dump_string (utf8.c) could lead to memory leak
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原文摘录
摘自原文（3498 字符中的一小部分）
With crafted regex match, I have found a heap-over-flow in function Perl__byte_dump_string, which would lead to memory leak. * Reported to the [Perl security mailing list](https://rt.perl.org/Public/Bug/Display.html?id=132063) on 11 Sep 2017. * Confirmed as a security flaw by TonyC on 24 Feb 2018 * …
原文中的代码
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==2895==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xb610081c at pc 0x08a72387 bp 0xbfea6038 sp 0xbfea602c
WRITE of size 4 at 0xb610081c thread T0
#0 0x8a72386 in S_pack_rec /root/karas/perl5-blead/pp_pack.c:2703:17 …默认不展示报告全文。以上为简短摘录，完整复现过程请阅读原文。版权归研究员与 Internet Bug Bounty 所有。
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