https://bugs.exim.org/show_bug.cgi?id=1979
Bug ID: 1979 Summary: PCRE2 10.23-RC1 - Out of bounds read in match() #1 Product: PCRE Version: N/A Hardware: x86-64 OS: Linux Status: NEW Severity: bug Priority: medium Component: Code Assignee: p...@hermes.cam.ac.uk Reporter: fumfi....@gmail.com CC: pcre-dev@exim.org Created attachment 943 --> https://bugs.exim.org/attachment.cgi?id=943&action=edit POC to trigger out of bounds read (pcre2test) Affected: - PCRE2 version 10.23-RC1 2016-08-01 (SVN revision: 610) To reproduce the problem (pcre2test): pcre2test pcre2_oobr_match1 /dev/null ASAN Output: ==6317==ERROR: AddressSanitizer: SEGV on unknown address 0x7f2a6a9f8fdf (pc 0x7f2a6a93ffed bp 0x7fff6fcc03c0 sp 0x7fff6fcbfd40 T0) ==6317==The signal is caused by a READ memory access. #0 0x7f2a6a93ffec in match XYZ/pcre/src/pcre2_match.c:2633:32 #1 0x7f2a6a9332b3 in pcre2_match_8 XYZ/pcre/src/pcre2_match.c:6992:8 #2 0x4ef4cc in process_data XYZ/pcre/src/pcre2test.c:6576:9 #3 0x4ef4cc in main XYZ/pcre/src/pcre2test.c:7788 #4 0x7f2a697ca82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f) #5 0x41aad8 in _start (/usr/local/bin/pcre2test+0x41aad8) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV XYZ/pcre/src/pcre2_match.c:2633:32 in match ==6317==ABORTING Regards, Kamil Frankowicz -- You are receiving this mail because: You are on the CC list for the bug. -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev