security/tor: update 0.4.9.5 → 0.4.9.6
Quoting the announcement at:
https://lists.torproject.org/mailman3/hyperkitty/list/tor-announce@lists.torproject.org/message/MDZTQ6KHN7YPUPE2GQYYQQFNP3KCMK3M/
Changes in version 0.4.9.6 - 2026-03-25
This is a security release fixing major bugfixes that could possibly lead to
remote crashing relays. We strongly recommend upgrading as soon as possible.
o Major bugfix (security):
- Fix a stack overflow of 11 bytes on malicious CREATED2. This lead
to a remote crash. TROVE-2026-003. Reported-by: Anas Cherni of
Calif.io. Fixes bug 41231; bugfix on 0.4.9.1-alpha.
o Major bugfix (security, conflux):
- Fix a memory compare using the wrong length. This could lead to a
remote crash when using the conflux subsystem. TROVE-2026-004.
Fixes bug 41232; bugfix on 0.4.8.1-alpha.
o Minor bugfixes (security):
- Fix a series of defense in depth security issues found across the
codebase. Fixes bug 41228; bugfix on 0.3.5.1-alpha.
o Minor bugfixes (portability):
- (Hopefully) fix our polyval implementation on big-endian
platforms. Fixes bug 41215; bugfix on 0.4.9.3-alpha.
o Minor features (fallbackdir):
- Regenerate fallback directories generated on March 25, 2026.
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database, as
retrieved on 2026/03/25.PR: 294064