CVE-2022-31781 describes a Regular Expression Denial of Service (ReDoS) vulnerability in Apache Tapestry versions up to 5.8.1, specifically within the ContentType class's handling of specially crafted Content Types. This flaw can lead to catastrophic backtracking, consuming exponential time and resulting in a denial of service. The vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high impact on availability. While a fix is available in Apache Tapestry 5.8.2, it's important to note that the vulnerability requires non-Tapestry code to pass outside input to the ContentType constructor. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.8.2CPE matchmatch criteria | cpe:2.3:a:apache:tapestry:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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