CVE-2026-91863, CVE-2026-91864, CVE-2026-91865, CVE-2026-91866, CVE-2026-91867

Data: 2026-09-28

Severity: High

CVSS Score:

• CVE-2026-91863: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

• CVE-2026-91864: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

• CVE-2026-91865: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

• CVE-2026-91866: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

• CVE-2026-91867: 4.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

Riferimenti:

• CVE-2026-91863:

  • https://nvd.nist.gov/vuln/detail/CVE-2026-91863

  • https://lists.apache.org/thread/72kxj71lvrqqx90xxqqctvpbw0t8mpxw

  • https://www.openwall.com/lists/oss-security/2026/09/18/10

• CVE-2026-91864:

  • https://nvd.nist.gov/vuln/detail/CVE-2026-91864

  • https://lists.apache.org/thread/400kbynbyhqhsjkv1yz251jm9wdz8z69

  • https://www.openwall.com/lists/oss-security/2026/09/18/11

• CVE-2026-91865:

  • https://nvd.nist.gov/vuln/detail/CVE-2026-91865

  • https://lists.apache.org/thread/l48btqh02rlpsgf5p6r5ltqk1cb69dtc

  • https://www.openwall.com/lists/oss-security/2026/09/18/12

• CVE-2026-91866:

  • https://nvd.nist.gov/vuln/detail/CVE-2026-91866

  • https://lists.apache.org/thread/zbfxnomgvbmqchqjgc6lk5h0z76k3gh4

  • https://www.openwall.com/lists/oss-security/2026/09/18/13

• CVE-2026-91867:

  • https://nvd.nist.gov/vuln/detail/CVE-2026-91867

  • https://lists.apache.org/thread/dsr2ktf199mqhw2jtlbklyz7tzd86ycd

  • https://www.openwall.com/lists/oss-security/2026/09/18/14

Libreria: org.apache.neethi:neethi <= 3.2.3

Descrizione

Tutte le vulnerabilità riguardano l’elaborazione dei documenti WS-Policy da parte di Apache Neethi e sono corrette nella medesima release 3.2.4.

1. [CVE-2026-91863] CWE-674: Uncontrolled Recursion

A specially crafted WS-Policy document with deeply nested policy elements can bypass Neethi’s nesting-depth limit and exhaust the thread stack, crashing the parser (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.

2. [CVE-2026-91864] CWE-770: Allocation of Resources Without Limits or Throttling

A specially crafted WS-Policy document can pack unlimited content inside a policy assertion, which Neethi copies into memory without counting it against its size limits, exhausting the heap (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.

3. [CVE-2026-91865] CWE-770: Allocation of Resources Without Limits or Throttling

A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.

4. [CVE-2026-91866] CWE-770: Allocation of Resources Without Limits or Throttling

A specially crafted pair of WS-Policy documents can force Neethi’s policy-intersection to do exponential amounts of work, pinning the CPU for a long time (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.

5. [CVE-2026-91867] CWE-400: Uncontrolled Resource Consumption

When Neethi fetches a remote policy reference, it only limits the time per read, not the whole transfer, so a server that trickles bytes slowly can keep the fetch alive indefinitely and tie up the calling thread (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.

GovWay

Versione affette:

• 3.3.x: <= 3.3.20

• 3.4.x: <= 3.4.3

Risoluzione:

• 3.3.x: 3.3.21

• 3.4.x: 3.4.4