What’s Vulnerable › Vulnerabilities

CVE-2026-33582: Apache Answer: Uploading specially crafted TIFF files causes an Out-of-Memory error

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-09 · updated 2026-07-23
• Weakness: CWE-434

Description

Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. A crafted TIFF image could trigger excessive memory allocation during image decoding, allowing an authenticated user to cause the server process to crash. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Affected products

• Apache Software Foundation Apache Answer: before 2.0.1 — fixed in 2.0.1

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Answer 2.0.1. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread/3sgpx4cwsgpnt66xv3cqvtc8z4st1kbq
• http://www.openwall.com/lists/oss-security/2026/06/09/5

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