[krbdev.mit.edu #9224] git commit
"Greg Hudson via RT" <[email protected]> Wed, 15 Jul 2026 16:30:26 -0400
| Newsgroups | gmane.comp.encryption.kerberos.bugs |
|---|---|
| Message-ID | <[email protected]> |
Wed Jul 15 16:30:26 2026: Request 9224 was acted upon. Transaction: Ticket created by [email protected] Queue: krb5 Subject: git commit Owner: [email protected] Requestors: Status: new Ticket <URL: https://krbdev.mit.edu/rt/Ticket/Display.html?id=9224 > Prevent integer overrun in keytab parsing In krb5_ktfileint_internal_read_entry(), once we have read the size and determined the starting point of a keytab record, bounds-check the size to prevent an integer overflow when we seek to the next record. (Discovered by OSS-Fuzz.) https://github.com/krb5/krb5/commit/c5629fdffee70a296429d580a890e21c6fa17665 Author: Greg Hudson <[email protected]> Commit: c5629fdffee70a296429d580a890e21c6fa17665 Branch: master src/lib/krb5/keytab/kt_file.c | 2 ++ src/tests/fuzzing/fuzz_keytab_seed_corpus/big_size | Bin 0 -> 28 bytes 2 files changed, 2 insertions(+)