diff options
Diffstat (limited to 'gnu/packages/patches/glibc-CVE-2019-9169.patch')
| -rw-r--r-- | gnu/packages/patches/glibc-CVE-2019-9169.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gnu/packages/patches/glibc-CVE-2019-9169.patch b/gnu/packages/patches/glibc-CVE-2019-9169.patch new file mode 100644 index 0000000000..029b4ddbd7 --- /dev/null +++ b/gnu/packages/patches/glibc-CVE-2019-9169.patch @@ -0,0 +1,22 @@ +Fix <https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9169>. + +Taken from this upstream commit, sans ChangeLog updates: +https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=583dd860d5b833037175247230a328f0050dbfe9 + +diff --git a/posix/regexec.c b/posix/regexec.c +index 91d5a797b8..084b1222d9 100644 +--- a/posix/regexec.c ++++ b/posix/regexec.c +@@ -1293,8 +1293,10 @@ proceed_next_node (const re_match_context_t *mctx, Idx nregs, regmatch_t *regs, + else if (naccepted) + { + char *buf = (char *) re_string_get_buffer (&mctx->input); +- if (memcmp (buf + regs[subexp_idx].rm_so, buf + *pidx, +- naccepted) != 0) ++ if (mctx->input.valid_len - *pidx < naccepted ++ || (memcmp (buf + regs[subexp_idx].rm_so, buf + *pidx, ++ naccepted) ++ != 0)) + return -1; + } + } |