Unforunately the changelog for clamav is only distributed as the SVN log. Please note that the format for the clamav signatures has changed, 3rd party sources may need to be removed if clamd will not start after an upgrade.
Changelog:
Thu Aug 12 18:49:37 CEST 2010 (tk)
----------------------------------
* V 0.96.2
Thu Aug 12 13:18:24 CEST 2010 (tk)
----------------------------------
* contrib: add safe_clamd from Luca (bb#2026)
Wed Aug 11 13:39:11 EEST 2010 (edwin)
-------------------------------------
* freshclam: uses private symbol which changed proto, change name to prevent crash (bb #2187)
Tue Aug 10 14:01:27 CEST 2010 (tk)
----------------------------------
* clamdscan: fix parsing of virus names in extended mode and --stream (bb#2184)
Mon Aug 9 19:46:58 EEST 2010 (edwin)
-------------------------------------
* libclamav/c++/detect.cpp: Mac OS X can run 64-bit apps on 32-bit kernel (bb #2153).
Mon Aug 9 16:49:44 CEST 2010 (tk)
----------------------------------
* libclamav/others.h: bump f-level
Mon Aug 9 13:21:31 CEST 2010 (tk)
----------------------------------
* sigtool/sigtool.c: fix handling of --datadir (bb#2180)
Mon Aug 9 13:02:26 CEST 2010 (tk)
----------------------------------
* libclamav/matcher-ac.c: improve offset handling (bb#2170)
Sun Aug 8 15:59:41 CEST 2010 (acab)
------------------------------------
* libclamav/7z/Archive/7z/7zDecode.c: shut up a warning (bb#2172)
Fri Aug 6 13:47:18 CEST 2010 (acab)
------------------------------------
* libclamav/autoit.c: properly resume from empty files
regression introduced in ac867aad (bb#2171)
Fri Aug 6 11:37:14 CEST 2010 (tk)
----------------------------------
* libclamav/elf.c: fix zero mem alloc warning (bb#2173)
Thu Aug 5 11:58:56 CEST 2010 (acab)
------------------------------------
* win32: fix libclamav's triple and fix GetVersion (bb#2152 and bb#2153)
Mon Aug 2 23:05:50 EEST 2010 (edwin)
-------------------------------------
* libclamav/bytecode.c: save lsig counts/offsets (bb #2055).
Mon Aug 2 21:51:32 EEST 2010 (edwin)
-------------------------------------
* libclamav/{bytecode,matcher}.c: matchicon API (bb #2139)
Mon Aug 2 17:16:24 CEST 2010 (acab)
------------------------------------
* libclamav/pe_icons.c: BE fixes (bb#2151)
Mon Aug 2 16:08:04 CEST 2010 (tk)
----------------------------------
* freshclam/manager.c: don't call cli_bytecode_prepare() when Bytecode is
disabled in freshclam.conf (bb#2149)
Mon Aug 2 15:37:19 CEST 2010 (tk)
----------------------------------
* libclamav/matcher: make icon sigs work with bytecode (bb#2137)
Fri Jul 30 17:46:14 CEST 2010 (acab)
------------------------------------
* libclamav/others.h: bump CLI_MAX_ALLOCATION by 5 MB (needed by lzma - bb#2124)
Fri Jul 30 15:51:06 CEST 2010 (acab)
------------------------------------
* libclamav, unit_tests: use cached PE metadata when matching icons (better fix for
bb#2064, partially reverts d932a6d)
add some unit tests for ign2, ldb, idb
Fri Jul 30 15:15:35 CEST 2010 (tk)
----------------------------------
* freshclam: fix parsing of extended log entries
Fri Jul 30 14:20:50 EEST 2010 (edwin)
-------------------------------------
* libclamav/pdf.c: improve extraction of PDF objects (bb #1596, #1994, #2029).
Thu Jul 29 16:56:00 CEST 2010 (acab)
------------------------------------
* libclamav/matcher.c: make cli_lsig_eval use cached executable metadata rather
than parsing the file again
Thu Jul 29 14:07:31 EEST 2010 (edwin)
-------------------------------------
* libclamav: introduce BC_STARTUP bytecode that can turn off JIT (bb #2078, #2101)
Thu Jul 29 03:54:45 CEST 2010 (acab)
------------------------------------
* libclamav/scanners.c: use fmap in scan_embpe
Thu Jul 29 02:40:16 CEST 2010 (acab)
------------------------------------
* libclamav: use fmap in autoit
Tue Jul 27 14:16:59 CEST 2010 (acab)
------------------------------------
* clamav-milter: noisily fallback on default value if MaxFileSize is set
to 0 (bb#2081)
Mon Jul 26 13:16:07 EEST 2010 (edwin)
-------------------------------------
* libclamav/phishcheck.c: don't phishcheck email addresses (bb #2067)
Mon Jul 26 12:55:20 EEST 2010 (edwin)
------------------------------------
* clamd/session.c: treat MULTISCAN as CONTSCAN on non-directories (bb #1869).
Sat Jul 24 17:43:16 CEST 2010 (acab)
------------------------------------
* win32: upgrade project files to vs10
Fri Jul 23 22:32:18 EEST 2010 (edwin)
-------------------------------------
* libclamav/bytecode_vm.c: fix use of uninitialized value (bb #2140).
Thu Jul 22 22:32:08 EEST 2010 (edwin)
-------------------------------------
* libclamav/c++/bytecode2llvm.cpp: detect PaX and fallback to intepreter if
needed (bb #2092).
* libclamav/bytecode.c: selfcheck on startup (bb #2092).
Thu Jul 22 16:36:32 CEST 2010 (tk)
----------------------------------
* libclamav/mspack.c: fix write error
Wed Jul 21 18:54:13 CEST 2010 (tk)
----------------------------------
* sigtool/sigtool.c: fix build problem (bb#2133)
Mon Jul 19 18:48:08 CEST 2010 (tk)
----------------------------------
* sigtool/sigtool.c: add support for creating cdiffs with arbitrary
long lines (bb#2014)
Fri Jul 16 11:11:27 CEST 2010 (tk)
----------------------------------
* freshclam: remove empty temporary directories on EXIT_n (bb#2116)
Mon Jul 12 12:27:44 CEST 2010 (tk)
----------------------------------
* libclamunrar/unrar.c: fix error path memory leaks (bb#2100)
Thanks to Martin Olsen
Tue Jul 6 19:19:39 CEST 2010 (tk)
----------------------------------
* clamd: add ExtendedDetectionInfo (bb#1228, #1626)
Mon Jul 5 17:30:11 CEST 2010 (tk)
----------------------------------
* libclamav: fix some error messages (bb#2083)
Thu Jul 1 18:22:58 CEST 2010 (tk)
----------------------------------
* libclamav/matcher.c: fix counting of logical subsigs matched at boundaries (bb#2053)
Tue Jun 29 13:51:06 CEST 2010 (tk)
----------------------------------
* freshclam: fix memleak when testing safebrowsing.cvd (bb#2091)
Tue Jun 29 12:08:42 EEST 2010 (edwin)
-------------------------------------
* libclamav/mpool.c: reduce memory waste due to alignment (~14% improvement).
Tue Jun 29 12:05:59 EEST 2010 (edwin)
-------------------------------------
* clamdtop/clamdtop.c: fix display of sizes (off by 1000/1024).
Mon Jun 28 18:42:48 CEST 2010 (tk)
----------------------------------
* sigtool/sigtool.c: drop compatibility limit
Thu Jun 24 20:04:02 CEST 2010 (tk)
----------------------------------
* libclamav: reduce memory usage for MD5 sigs (bb#2057)
Wed Jun 23 09:39:14 CEST 2010 (tk)
----------------------------------
* libclamav/matcher.c: fix possible use of uninit value (bb#2084)
Mon Jun 21 20:07:09 CEST 2010 (tk)
----------------------------------
* libclamav: report correct offset via cli_ac_result (bb#2076)
Fri Jun 18 15:41:08 CEST 2010 (tk)
----------------------------------
* libclamav: minimize header parsing (bb#2065)
Thu Jun 17 17:11:04 EEST 2010 (edwin)
-------------------------------------
* libclamav/c++/llvm: apply PowerPC workaround from LLVM PR5201.
Wed Jun 16 16:52:46 CEST 2010 (tk)
----------------------------------
* libclamav/special.c: avoid false MS02-002 detections for corrupted files (bb#2074)
Tue Jun 15 18:07:00 CEST 2010 (tk)
----------------------------------
* libclamav: avoid scanpe() warnings for corrupted files (bb#2049)
Tue Jun 15 16:13:07 CEST 2010 (tk)
----------------------------------
* clamd/clamd.c: be more verbose when daemonize() fails (bb#2062)
Thu Jun 10 19:58:01 CEST 2010 (acab)
------------------------------------
* libclamav/pe*: fix virusnames being hijacked by idb sigs (bb#2064)
Thu Jun 10 16:06:56 CEST 2010 (tk)
----------------------------------
* libclamav/str.c: fix cli_isnumber() (bb#2070)
Thu Jun 10 12:15:17 CEST 2010 (tk)
----------------------------------
* sigtool: print match count and offsets in --test-sigs mode (bb#2054)
IMPORTANT NOTE: --test-sigs now only works against the final target file
(after all processing, normalization, etc. for which the tested
signature was directly created)
Wed Jun 9 13:38:11 EEST 2010 (edwin)
-------------------------------------
* libclamav/{matcher-bm.c, sha256.c}: improve DB load time (bb #1860).
Tue Jun 8 16:32:47 CEST 2010 (tk)
----------------------------------
* sigtool/sigtool.c: add --datadir (bb#2063)
Tue Jun 8 12:47:25 CEST 2010 (tk)
----------------------------------
* shared/cdiff.c: fix handling of massive XCHGs (bb#2017)
Fri Jun 4 18:04:37 CEST 2010 (tk)
----------------------------------
* libclamav/cvd.c: load daily.ign[2] files from CVDs (bb#2061)
Wed Jun 2 10:08:00 EEST 2010 (edwin)
-------------------------------------
* libclamav/others_common.c: fix typo (bb #2060).
Mon May 31 16:57:31 EEST 2010 (edwin)
-------------------------------------
* libclamav/{bytecode.c, others_common.c}: don't attempt to allocate 0 bytes (bb #2042).
Mon May 31 13:18:45 EEST 2010 (edwin)
-------------------------------------
* libclamav/readdb.c: fix memory leak in .idb handling
Fri May 28 18:45:46 EEST 2010 (edwin)
-------------------------------------
* clamd, libclamav: fix some error path leaks (bb #1990)
Fri May 28 13:24:21 CEST 2010 (tk)
----------------------------------
* freshclam/manager.c: randomize getaddrinfo()'s results (bb#2021)
Tue May 25 14:36:41 CEST 2010 (tk)
----------------------------------
* clamscan: add support for loading multiple dbs at command line with
-d (bb#2033)
To Upgrade:
yum upgrade clamav