clamav -- Multiple vulnerabilities

The ClamAV project reports:

Fixed a possible double-free vulnerability in the OLE2 file
parser. Issue affects versions 0.104.0 through 0.104.2. Issue
identified by OSS-Fuzz.
Fixed a possible infinite loop vulnerability in the CHM file
parser. Issue affects versions 0.104.0 through 0.104.2 and LTS
version 0.103.5 and prior versions. Thank you to Michał Dardas
for reporting this issue.
Fixed a possible NULL-pointer dereference crash in the scan
verdict cache check. Issue affects versions 0.103.4, 0.103.5,
0.104.1, and 0.104.2. Thank you to Alexander Patrakov and
Antoine Gatineau for reporting this issue.
Fixed a possible infinite loop vulnerability in the TIFF file
parser. Issue affects versions 0.104.0 through 0.104.2 and LTS
version 0.103.5 and prior versions. The issue only occurs if the
“–alert-broken-media” ClamScan option is enabled. For ClamD,
the affected option is “AlertBrokenMedia yes”, and for libclamav
it is the “CL_SCAN_HEURISTIC_BROKEN_MEDIA” scan option. Thank
you to Michał Dardas for reporting this issue.
Fixed a possible memory leak in the HTML file parser /
Javascript normalizer. Issue affects versions 0.104.0 through
0.104.2 and LTS version 0.103.5 and prior versions. Thank you to
Michał Dardas for reporting this issue.
Fixed a possible multi-byte heap buffer overflow write
vulnerability in the signature database load module. The fix was
to update the vendored regex library to the latest version.
Issue affects versions 0.104.0 through 0.104.2 and LTS version
0.103.5 and prior versions. Thank you to Michał Dardas for
reporting this issue.