Read the docs
TI-2025-31117 Aliases CVE-2025-48989GHSA-gqp3-2cvr-x8m3

Apache Tomcat: h2 DoS - Made You Reset

Priority MEDIUM 45CWE-404Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 15 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-404.

Summary

Improper Resource Shutdown or Release vulnerability in Apache Tomcat made Tomcat vulnerable to the made you reset attack. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected. Users are recommended to upgrade to one of versions 11.0.10, 10.1.44 or 9.0.108 which fix the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03768 89th percentileScored 2026-11-07
Fix Partial org.apache.tomcat:tomcat-coyote (Maven): 11.0.10, 10.1.44, 9.0.108org.apache.tomcat.embed:tomcat-embed-core (Maven): 11.0.10, 10.1.44, 9.0.108Red Hat: 11 advisoriesRed Hat: 15 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Tomcat11.0.0-M1 – 11.0.9; 10.1.0-M1 – 10.1.43; 9.0.0.M1 – 9.0.107—No fix listedCNA
—org.apache.tomcat:tomcat-coyote (Maven)11.0.0-M1 to before 11.0.1011.0.10Patch availableGHSA-gqp3-2cvr-x8m3
—org.apache.tomcat:tomcat-coyote (Maven)10.1.0-M1 to before 10.1.4410.1.44Patch availableGHSA-gqp3-2cvr-x8m3
—org.apache.tomcat:tomcat-coyote (Maven)9.0.0.M1 to before 9.0.1089.0.108Patch availableGHSA-gqp3-2cvr-x8m3
—org.apache.tomcat.embed:tomcat-embed-core (Maven)11.0.0-M1 to before 11.0.1011.0.10Patch availableGHSA-gqp3-2cvr-x8m3
—org.apache.tomcat.embed:tomcat-embed-core (Maven)10.1.0-M1 to before 10.1.4410.1.44Patch availableGHSA-gqp3-2cvr-x8m3
—org.apache.tomcat.embed:tomcat-embed-core (Maven)9.0.0.M1 to before 9.0.1089.0.108Patch availableGHSA-gqp3-2cvr-x8m3
  • Apache Tomcat VendorApache Affected 11.0.0-M1 – 11.0.9; 10.1.0-M1 – 10.1.43; 9.0.0.M1 – 9.0.107 Fixed in — No fix listed CNA
  • org.apache.tomcat:tomcat-coyote (Maven) Vendor— Affected 11.0.0-M1 to before 11.0.10 Fixed in 11.0.10 Patch available GHSA-gqp3-2cvr-x8m3
  • org.apache.tomcat:tomcat-coyote (Maven) Vendor— Affected 10.1.0-M1 to before 10.1.44 Fixed in 10.1.44 Patch available GHSA-gqp3-2cvr-x8m3
  • org.apache.tomcat:tomcat-coyote (Maven) Vendor— Affected 9.0.0.M1 to before 9.0.108 Fixed in 9.0.108 Patch available GHSA-gqp3-2cvr-x8m3
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 11.0.0-M1 to before 11.0.10 Fixed in 11.0.10 Patch available GHSA-gqp3-2cvr-x8m3
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 10.1.0-M1 to before 10.1.44 Fixed in 10.1.44 Patch available GHSA-gqp3-2cvr-x8m3
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 9.0.0.M1 to before 9.0.108 Fixed in 9.0.108 Patch available GHSA-gqp3-2cvr-x8m3

CPE configurations NVD · 28

CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*9.0.1 to before 9.0.108; 10.0.0 to before 10.1.44; 11.0.0 to before 11.0.10VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:*9.0.0 milestone1VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:*9.0.0 milestone10VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:*9.0.0 milestone11VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:*9.0.0 milestone12VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:*9.0.0 milestone13VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:*9.0.0 milestone14VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:*9.0.0 milestone15VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:*9.0.0 milestone16VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:*9.0.0 milestone17VulnerableApache
  • cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* Versions 9.0.1 to before 9.0.108; 10.0.0 to before 10.1.44; 11.0.0 to before 11.0.10 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:* Versions 9.0.0 milestone1 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:* Versions 9.0.0 milestone10 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:* Versions 9.0.0 milestone11 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:* Versions 9.0.0 milestone12 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:* Versions 9.0.0 milestone13 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:* Versions 9.0.0 milestone14 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:* Versions 9.0.0 milestone15 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:* Versions 9.0.0 milestone16 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:* Versions 9.0.0 milestone17 Vulnerable ·Apache
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:*9.0.0 milestone18VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:*9.0.0 milestone19VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:*9.0.0 milestone2VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:*9.0.0 milestone20VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:*9.0.0 milestone21VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:*9.0.0 milestone22VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:*9.0.0 milestone23VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:*9.0.0 milestone24VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:*9.0.0 milestone25VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:*9.0.0 milestone26VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:*9.0.0 milestone27VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:*9.0.0 milestone3VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:*9.0.0 milestone4VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:*9.0.0 milestone5VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:*9.0.0 milestone6VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:*9.0.0 milestone7VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:*9.0.0 milestone8VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:*9.0.0 milestone9VulnerableApache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:* Versions 9.0.0 milestone18 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:* Versions 9.0.0 milestone19 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:* Versions 9.0.0 milestone2 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:* Versions 9.0.0 milestone20 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:* Versions 9.0.0 milestone21 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:* Versions 9.0.0 milestone22 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:* Versions 9.0.0 milestone23 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:* Versions 9.0.0 milestone24 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:* Versions 9.0.0 milestone25 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:* Versions 9.0.0 milestone26 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:* Versions 9.0.0 milestone27 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:* Versions 9.0.0 milestone3 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:* Versions 9.0.0 milestone4 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:* Versions 9.0.0 milestone5 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:* Versions 9.0.0 milestone6 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:* Versions 9.0.0 milestone7 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:* Versions 9.0.0 milestone8 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:* Versions 9.0.0 milestone9 Vulnerable ·Apache

Remediation

  • Fix · GHSA-gqp3-2cvr-x8m3 org.apache.tomcat:tomcat-coyote (Maven) Fixed in 11.0.10 Advisory →
  • Fix · GHSA-gqp3-2cvr-x8m3 org.apache.tomcat:tomcat-coyote (Maven) Fixed in 10.1.44 Advisory →
  • Fix · GHSA-gqp3-2cvr-x8m3 org.apache.tomcat:tomcat-coyote (Maven) Fixed in 9.0.108 Advisory →
  • Fix · GHSA-gqp3-2cvr-x8m3 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 11.0.10 Advisory →
  • Fix · GHSA-gqp3-2cvr-x8m3 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 10.1.44 Advisory →
  • Fix · GHSA-gqp3-2cvr-x8m3 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 9.0.108 Advisory →

Red Hat 11 advisories

  • RHSA-2025:22925 Released 2025-12-09 · Red Hat rating Important
    Red Hat JBoss Web Server 5.8.6 release and security update
    • Red Hat JBoss Web Server 5.8 for RHEL 7 Server jws5-tomcat-9.0.87-14.redhat_00013.1.el7jws, jws5-tomcat-admin-webapps-9.0.87-14.redhat_00013.1.el7jws, jws5-tomcat-docs-webapp-9.0.87-14.redhat_00013.1.el7jws +9
    • Red Hat JBoss Web Server 5.8 for RHEL 8 jws5-tomcat-9.0.87-14.redhat_00013.1.el8jws, jws5-tomcat-admin-webapps-9.0.87-14.redhat_00013.1.el8jws, jws5-tomcat-docs-webapp-9.0.87-14.redhat_00013.1.el8jws +7
    • Red Hat JBoss Web Server 5.8 for RHEL 9 jws5-tomcat-9.0.87-14.redhat_00013.1.el9jws, jws5-tomcat-admin-webapps-9.0.87-14.redhat_00013.1.el9jws, jws5-tomcat-docs-webapp-9.0.87-14.redhat_00013.1.el9jws +7
  • RHSA-2025:22924 Released 2025-12-09 · Red Hat rating Important
    Red Hat JBoss Web Server 5.8.6 release and security update
    • Red Hat JBoss Web Server 5.8.6
  • RHSA-2025:14180 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) tomcat-1:9.0.87-1.el9_4.6, tomcat-admin-webapps-1:9.0.87-1.el9_4.6, tomcat-docs-webapp-1:9.0.87-1.el9_4.6 +5
Show 8 more Red Hat advisories
  • RHSA-2025:14181 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 9) tomcat-1:9.0.87-3.el9_6.3, tomcat-admin-webapps-1:9.0.87-3.el9_6.3, tomcat-docs-webapp-1:9.0.87-3.el9_6.3 +5
  • RHSA-2025:14183 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) tomcat-1:9.0.87-1.el9_2.6, tomcat-admin-webapps-1:9.0.87-1.el9_2.6, tomcat-docs-webapp-1:9.0.87-1.el9_2.6 +5
  • RHSA-2025:14177 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 8) tomcat-1:9.0.87-1.el8_10.6, tomcat-admin-webapps-1:9.0.87-1.el8_10.6, tomcat-docs-webapp-1:9.0.87-1.el8_10.6 +5
  • RHSA-2025:14182 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) tomcat-1:9.0.87-1.el8_8.7, tomcat-admin-webapps-1:9.0.87-1.el8_8.7, tomcat-docs-webapp-1:9.0.87-1.el8_8.7 +5
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) tomcat-1:9.0.87-1.el8_8.7, tomcat-admin-webapps-1:9.0.87-1.el8_8.7, tomcat-docs-webapp-1:9.0.87-1.el8_8.7 +5
  • RHSA-2025:14179 Released 2025-08-20 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 10) tomcat-1:10.1.36-1.el10_0.2, tomcat-admin-webapps-1:10.1.36-1.el10_0.2, tomcat-docs-webapp-1:10.1.36-1.el10_0.2 +5
  • RHSA-2025:14178 Released 2025-08-20 · Red Hat rating Important
    tomcat9 security update
    • Red Hat Enterprise Linux AppStream (v. 10) tomcat9-1:9.0.87-5.el10_0.3, tomcat9-admin-webapps-1:9.0.87-5.el10_0.3, tomcat9-docs-webapp-1:9.0.87-5.el10_0.3 +5
  • RHSA-2025:13685 Released 2025-08-13 · Red Hat rating Important
    Red Hat JBoss Web Server 6.1.2 release and security update
    • Red Hat JBoss Web Server 6.1 for RHEL 10 jws6-tomcat-10.1.36-8.redhat_00009.1.el10jws, jws6-tomcat-admin-webapps-10.1.36-8.redhat_00009.1.el10jws, jws6-tomcat-docs-webapp-10.1.36-8.redhat_00009.1.el10jws +7
    • Red Hat JBoss Web Server 6.1 for RHEL 8 jws6-tomcat-10.1.36-8.redhat_00009.1.el8jws, jws6-tomcat-admin-webapps-10.1.36-8.redhat_00009.1.el8jws, jws6-tomcat-docs-webapp-10.1.36-8.redhat_00009.1.el8jws +7
    • Red Hat JBoss Web Server 6.1 for RHEL 9 jws6-tomcat-10.1.36-8.redhat_00009.1.el9jws, jws6-tomcat-admin-webapps-10.1.36-8.redhat_00009.1.el9jws, jws6-tomcat-docs-webapp-10.1.36-8.redhat_00009.1.el9jws +7
  • RHSA-2025:13686 Released 2025-08-13 · Red Hat rating Important
    Red Hat JBoss Web Server 6.1.2 release and security update
    • Red Hat JBoss Web Server 6.1.2

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 9AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2025:14178, RHSA-2025:14179
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2025:14177
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:14181
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2025:14182
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2025:14183
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:14180
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2025:14182
Red Hat JBoss Web Server 5.8 for RHEL 7 ServerFixed RHSA-2025:22925
Red Hat JBoss Web Server 5.8 for RHEL 8Fixed RHSA-2025:22925
Red Hat JBoss Web Server 5.8 for RHEL 9Fixed RHSA-2025:22925
Red Hat JBoss Web Server 5.8.6Fixed RHSA-2025:22924
Red Hat JBoss Web Server 6.1 for RHEL 10Fixed RHSA-2025:13685
Red Hat JBoss Web Server 6.1 for RHEL 8Fixed RHSA-2025:13685
Red Hat JBoss Web Server 6.1 for RHEL 9Fixed RHSA-2025:13685
Red Hat JBoss Web Server 6.1.2Fixed RHSA-2025:13686
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-48989
  2. 2026-10-03 Alias added: GHSA-gqp3-2cvr-x8m3
  3. 2026-10-09 Fix available: RHSA-2025:13686 · Red Hat
  4. 2026-11-05 Fix available: Red Hat JBoss Web Server 6.1.2 · Red Hat

References

Advisory 2

Other 10

  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-01862 Improper privilege management in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-07192 Improper access control in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09342 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2017-09340 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2026-26741 Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor KEVCVSS 3.1HIGH 7.5
See all 273 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences