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| author | Ulrich Drepper <drepper@redhat.com> | 2009-08-23 15:22:00 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-08-23 15:22:00 -0700 |
| commit | 52db8039f54672abe6a6da5fb107fa52aca42547 (patch) | |
| tree | 4498b3bc09bfb3a25869ccbd6a6b09cb57bbb2e5 | |
| parent | bdc7f5d76b4f284475595dddc79f0e0f9720ec20 (diff) | |
| download | glibc-52db8039f54672abe6a6da5fb107fa52aca42547.tar.gz glibc-52db8039f54672abe6a6da5fb107fa52aca42547.tar.xz glibc-52db8039f54672abe6a6da5fb107fa52aca42547.zip | |
Recognize ill-formed { } expressions in regcomp.
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | posix/regcomp.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index a42e20b0be..37cd868c19 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2009-08-23 Ulrich Drepper <drepper@redhat.com> + * posix/regcomp.c (parse_dup_op): Verify the expression is correctly + terminated. + * posix/unistd.h: Define _POSIX_VERSION and _POSIX2_* correctly if older POSIX versions are selected. diff --git a/posix/regcomp.c b/posix/regcomp.c index 4843cfea33..446fed5445 100644 --- a/posix/regcomp.c +++ b/posix/regcomp.c @@ -2481,7 +2481,7 @@ parse_dup_op (bin_tree_t *elem, re_string_t *regexp, re_dfa_t *dfa, return elem; } - if (BE (end != -1 && start > end, 0)) + if (BE ((end != -1 && start > end) || token->type != OP_CLOSE_DUP_NUM, 0)) { /* First number greater than second. */ *err = REG_BADBR; |