REDHAT-BUG-2457689: Medium severity libexif libexif vulnerability
In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out of libexif-using programs.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
libexiffrom your environment.Uninstall libexif versions through 0.6.25 from systems where the library is not required.
- Operational
Inventory all installations of libexif, identify any instances running versions through 0.6.25, and prioritize remediation (patching or removal). Until a fixed version is deployed, avoid processing untrusted images with affected software.
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2457689?
The severity of REDHAT-BUG-2457689 is rated as medium, with a score of 4.
How do I fix REDHAT-BUG-2457689?
To fix REDHAT-BUG-2457689, update libexif to a patched version that resolves the integer underflow issue.
What risk does REDHAT-BUG-2457689 pose to users?
REDHAT-BUG-2457689 poses a risk of crashing applications and potentially leaking sensitive information.
Which software is affected by REDHAT-BUG-2457689?
The software affected by REDHAT-BUG-2457689 is libexif, particularly versions up to 0.6.25.
What specific vulnerability is present in REDHAT-BUG-2457689?
The specific vulnerability in REDHAT-BUG-2457689 is an integer underflow in size checking during MakerNote decoding for Fuji and Olympus devices.