A vulnerability was found in libexif. The vulnerability is caused by an integer overflow. In some cases, the integer overflow can cause Heap Out-of-Bounds Read, i.e. Heap Buffer Overflow vulnerability. In some others cases, the integer overflow can cause use of uninitialized pointer variable, i.e. Use of Uninitialized Variable Vulnerability. The vulnerability happens when parsing MNOTE entry data of the input file. The vulnerability can cause Denial-of-Service (DoS) and Information Disclosure (disclosing some critical heap chunk metadata, even other applications’ private data).
Liu Bingchang (IIE)
Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Created libexif tracking bugs for this issue:
Affects: fedora-all [bug 1484032]
(In reply to Stefan Cornelius from comment #8)
Or in its new location: