Djvulibre · Djvulibre · CVE-2021-46312
**Name of the Vulnerable Software and Affected Versions**
DjVuLibre version 3.5.28
**Description**
The issue is related to a lack of check for division by zero in the IW44EncodeCodec.cpp component of the DjVuLibre library, which is used for viewing, creating, and editing DjVu files. This can be exploited by a remote attacker to cause a denial of service. The vulnerability allows attackers to cause a denial of service via divide by zero.
**Recommendations**
For DjVuLibre version 3.5.28, consider disabling the IW44EncodeCodec.cpp component as a temporary workaround until a patch is available. Restrict access to the vulnerable component to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.