re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
The product writes data past the end, or before the beginning, of the intended buffer.
| Link | Tags |
|---|---|
| https://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanner-cc/ | third party advisory |
| https://www.openwall.com/lists/oss-security/2020/04/19/1 | third party advisory mailing list |
| https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776a | third party advisory patch |
| http://www.openwall.com/lists/oss-security/2020/04/21/1 | third party advisory mailing list |
| https://usn.ubuntu.com/4338-1/ | third party advisory vendor advisory |
| https://usn.ubuntu.com/4338-2/ | third party advisory vendor advisory |
| https://security.gentoo.org/glsa/202007-28 | third party advisory vendor advisory |