Inefficient Regular Expression Complexity Affecting swift package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published5 Aug 2026
- disclosed5 Aug 2026
Introduced: 5 Aug 2026
NewCVE-2026-71190 (opens in a new tab)How to fix?
There is no fixed version for Echo:latest swift.
NVD Description
Note: Versions mentioned in the description apply only to the upstream swift package and not the swift package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
In OpenStack Swift through 2.38.0, the proxy server Accept header parser contains a regular expression vulnerable to catastrophic backtracking (ReDoS). The "qdtext" pattern (?:[^"]|\.)* allows an unauthenticated remote attacker to send a crafted Accept header that causes exponential CPU consumption in the proxy worker. A payload of 32 backslash-character pairs exceeds 30 seconds of CPU time. No authentication is required. Repeated requests can exhaust all proxy worker threads, resulting in a complete denial of service.