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CVE-2023-34149Apache Struts: DoS via OOM owing to not properly checking of list bounds

Description

Allocation of Resources Without Limits or Throttling vulnerability in Apache Software Foundation Apache Struts.This issue affects Apache Struts: through 2.5.30, through 6.1.2. Upgrade to Struts 2.5.31 or 6.1.2.1 or greater.

Timeline

  1. ID reserved

    By apache

  2. · 17 days later

    Published

  3. · 20 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-34149, by who scored it
Scored byCVSSScoreVector
apacheCNA (assigner)3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVDNVD · Modified3.1Medium6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
5.4% · top 7.1% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Affected products

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .