# CVE-2026-43514: jws6-tomcat: Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. This issue affects Apache Tom...

CVE-2026-43514 is fixed in 30 products on 1 platform, first by DEBIAN-CVE-2026-43514, released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-43514
- Priority: Routine
- CVSS: 3.7 (low)
- EPSS: 0.0035
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 12, 2026

## Description

Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | jws6-tomcat RHEL 10 | 10.1.49-15.redhat_00013.1.el10jws | [RHSA-2026:43401](https://patchblox.com/security/data/fix/linux/rhsa-2026-43401.md) | Jul 23, 2026 |
| Linux | jws7-tomcat RHEL 10 | 11.0.21-5.redhat_00004.1.el10jws | [RHSA-2026:39188](https://patchblox.com/security/data/fix/linux/rhsa-2026-39188.md) | Jul 18, 2026 |
| Linux | tomcat RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat RHEL 9 | 1:9.0.120-2.el9_8 | [RHSA-2026:68660](https://patchblox.com/security/data/fix/linux/rhsa-2026-68660.md) | Sep 19, 2026 |
| Linux | tomcat almalinux 10 | 1:10.1.49-4.el10_2.alma.1 | [ALSA-2026:69259](https://patchblox.com/security/data/fix/linux/alsa-2026-69259.md) | Sep 21, 2026 |
| Linux | tomcat almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat almalinux 9 | 1:9.0.120-2.el9_8 | [ALSA-2026:68660](https://patchblox.com/security/data/fix/linux/alsa-2026-68660.md) | Sep 17, 2026 |
| Linux | tomcat opensuse-leap 16.0 | 9.0.118-160000.1.1 | [OPENSUSE-SU-2026:21117-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21117-1.md) | Jun 20, 2026 |
| Linux | tomcat sles 15.6 | 9.0.118-150200.108.1 | [SUSE-SU-2026:2675-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2675-1.md) | Jun 29, 2026 |
| Linux | tomcat sles 15.7 | 9.0.118-150200.108.1 | [SUSE-SU-2026:2675-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2675-1.md) | Jun 29, 2026 |
| Linux | tomcat sles 16.0 | 9.0.118-160000.1.1 | [SUSE-SU-2026:22195-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22195-1.md) | Jun 20, 2026 |
| Linux | tomcat-admin-webapps RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-admin-webapps RHEL 9 | 1:9.0.120-2.el9_8 | [RHSA-2026:68660](https://patchblox.com/security/data/fix/linux/rhsa-2026-68660.md) | Sep 19, 2026 |
| Linux | tomcat-admin-webapps almalinux 10 | 1:10.1.49-4.el10_2.alma.1 | [ALSA-2026:69259](https://patchblox.com/security/data/fix/linux/alsa-2026-69259.md) | Sep 21, 2026 |
| Linux | tomcat-admin-webapps almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-admin-webapps almalinux 9 | 1:9.0.120-2.el9_8 | [ALSA-2026:68660](https://patchblox.com/security/data/fix/linux/alsa-2026-68660.md) | Sep 17, 2026 |
| Linux | tomcat-docs-webapp RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-docs-webapp RHEL 9 | 1:9.0.120-2.el9_8 | [RHSA-2026:68660](https://patchblox.com/security/data/fix/linux/rhsa-2026-68660.md) | Sep 19, 2026 |
| Linux | tomcat-docs-webapp almalinux 10 | 1:10.1.49-4.el10_2.alma.1 | [ALSA-2026:69259](https://patchblox.com/security/data/fix/linux/alsa-2026-69259.md) | Sep 21, 2026 |
| Linux | tomcat-docs-webapp almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-docs-webapp almalinux 9 | 1:9.0.120-2.el9_8 | [ALSA-2026:68660](https://patchblox.com/security/data/fix/linux/alsa-2026-68660.md) | Sep 17, 2026 |
| Linux | tomcat-el-3.0-api RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-el-3.0-api RHEL 9 | 1:9.0.120-2.el9_8 | [RHSA-2026:68660](https://patchblox.com/security/data/fix/linux/rhsa-2026-68660.md) | Sep 19, 2026 |
| Linux | tomcat-el-3.0-api almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-el-3.0-api almalinux 9 | 1:9.0.120-2.el9_8 | [ALSA-2026:68660](https://patchblox.com/security/data/fix/linux/alsa-2026-68660.md) | Sep 17, 2026 |
| Linux | tomcat-el-5.0-api almalinux 10 | 1:10.1.49-4.el10_2.alma.1 | [ALSA-2026:69259](https://patchblox.com/security/data/fix/linux/alsa-2026-69259.md) | Sep 21, 2026 |
| Linux | tomcat-jsp-2.3-api RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-jsp-2.3-api RHEL 9 | 1:9.0.120-2.el9_8 | [RHSA-2026:68660](https://patchblox.com/security/data/fix/linux/rhsa-2026-68660.md) | Sep 19, 2026 |
| Linux | tomcat-jsp-2.3-api almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-jsp-2.3-api almalinux 9 | 1:9.0.120-2.el9_8 | [ALSA-2026:68660](https://patchblox.com/security/data/fix/linux/alsa-2026-68660.md) | Sep 17, 2026 |
| Linux | tomcat-jsp-3.1-api almalinux 10 | 1:10.1.49-4.el10_2.alma.1 | [ALSA-2026:69259](https://patchblox.com/security/data/fix/linux/alsa-2026-69259.md) | Sep 21, 2026 |
| Linux | tomcat-lib RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-lib RHEL 9 | 1:9.0.120-2.el9_8 | [RHSA-2026:68660](https://patchblox.com/security/data/fix/linux/rhsa-2026-68660.md) | Sep 19, 2026 |
| Linux | tomcat-lib almalinux 10 | 1:10.1.49-4.el10_2.alma.1 | [ALSA-2026:69259](https://patchblox.com/security/data/fix/linux/alsa-2026-69259.md) | Sep 21, 2026 |
| Linux | tomcat-lib almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-lib almalinux 9 | 1:9.0.120-2.el9_8 | [ALSA-2026:68660](https://patchblox.com/security/data/fix/linux/alsa-2026-68660.md) | Sep 17, 2026 |
| Linux | tomcat-servlet-4.0-api RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-servlet-4.0-api RHEL 9 | 1:9.0.120-2.el9_8 | [RHSA-2026:68660](https://patchblox.com/security/data/fix/linux/rhsa-2026-68660.md) | Sep 19, 2026 |
| Linux | tomcat-servlet-4.0-api almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-servlet-4.0-api almalinux 9 | 1:9.0.120-2.el9_8 | [ALSA-2026:68660](https://patchblox.com/security/data/fix/linux/alsa-2026-68660.md) | Sep 17, 2026 |
| Linux | tomcat-servlet-6.0-api almalinux 10 | 1:10.1.49-4.el10_2.alma.1 | [ALSA-2026:69259](https://patchblox.com/security/data/fix/linux/alsa-2026-69259.md) | Sep 21, 2026 |
| Linux | tomcat-webapps RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-webapps RHEL 9 | 1:9.0.120-2.el9_8 | [RHSA-2026:68660](https://patchblox.com/security/data/fix/linux/rhsa-2026-68660.md) | Sep 19, 2026 |
| Linux | tomcat-webapps almalinux 10 | 1:10.1.49-4.el10_2.alma.1 | [ALSA-2026:69259](https://patchblox.com/security/data/fix/linux/alsa-2026-69259.md) | Sep 21, 2026 |
| Linux | tomcat-webapps almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-webapps almalinux 9 | 1:9.0.120-2.el9_8 | [ALSA-2026:68660](https://patchblox.com/security/data/fix/linux/alsa-2026-68660.md) | Sep 17, 2026 |
| Linux | tomcat10 Debian 12.15 (bookworm) | 10.1.55-1~deb12u1 | [DEBIAN-CVE-2026-43514](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43514.md) | May 15, 2026 |
| Linux | tomcat10 Debian 13.5 (trixie) | 10.1.55-1~deb13u1 | [DEBIAN-CVE-2026-43514](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43514.md) | May 15, 2026 |
| Linux | tomcat10 Debian 14 | 10.1.55-1 | [DEBIAN-CVE-2026-43514](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43514.md) | May 15, 2026 |
| Linux | tomcat10 amzn 2023 | 1:10.1.55-1.amzn2023.0.1 | [ALAS2023-2026-1776](https://patchblox.com/security/data/fix/linux/alas2023-2026-1776.md) | Jun 8, 2026 |
| Linux | tomcat10 opensuse-leap 16.0 | 10.1.55-160000.1.1 | [OPENSUSE-SU-2026:21122-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21122-1.md) | Jun 20, 2026 |
| Linux | tomcat10 sles 15.6 | 10.1.55-150200.5.67.1 | [SUSE-SU-2026:2377-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2377-1.md) | Jun 11, 2026 |
| Linux | tomcat10 sles 15.7 | 10.1.55-150200.5.67.1 | [SUSE-SU-2026:2377-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2377-1.md) | Jun 11, 2026 |
| Linux | tomcat10 sles 16.0 | 10.1.55-160000.1.1 | [SUSE-SU-2026:22197-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22197-1.md) | Jun 20, 2026 |
| Linux | tomcat10-admin-webapps amzn 2023 | 1:10.1.55-1.amzn2023.0.1 | [ALAS2023-2026-1776](https://patchblox.com/security/data/fix/linux/alas2023-2026-1776.md) | Jun 8, 2026 |
| Linux | tomcat10-docs-webapp amzn 2023 | 1:10.1.55-1.amzn2023.0.1 | [ALAS2023-2026-1776](https://patchblox.com/security/data/fix/linux/alas2023-2026-1776.md) | Jun 8, 2026 |
| Linux | tomcat10-el-5.0-api amzn 2023 | 1:10.1.55-1.amzn2023.0.1 | [ALAS2023-2026-1776](https://patchblox.com/security/data/fix/linux/alas2023-2026-1776.md) | Jun 8, 2026 |
| Linux | tomcat10-jsp-3.1-api amzn 2023 | 1:10.1.55-1.amzn2023.0.1 | [ALAS2023-2026-1776](https://patchblox.com/security/data/fix/linux/alas2023-2026-1776.md) | Jun 8, 2026 |
| Linux | tomcat10-lib amzn 2023 | 1:10.1.55-1.amzn2023.0.1 | [ALAS2023-2026-1776](https://patchblox.com/security/data/fix/linux/alas2023-2026-1776.md) | Jun 8, 2026 |
| Linux | tomcat10-servlet-6.0-api amzn 2023 | 1:10.1.55-1.amzn2023.0.1 | [ALAS2023-2026-1776](https://patchblox.com/security/data/fix/linux/alas2023-2026-1776.md) | Jun 8, 2026 |
| Linux | tomcat10-webapps amzn 2023 | 1:10.1.55-1.amzn2023.0.1 | [ALAS2023-2026-1776](https://patchblox.com/security/data/fix/linux/alas2023-2026-1776.md) | Jun 8, 2026 |
| Linux | tomcat11 Debian 13.5 (trixie) | 11.0.22-1~deb13u1 | [DEBIAN-CVE-2026-43514](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43514.md) | May 15, 2026 |
| Linux | tomcat11 Debian 14 | 11.0.22-1 | [DEBIAN-CVE-2026-43514](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43514.md) | May 15, 2026 |
| Linux | tomcat11 opensuse-leap 16.0 | 11.0.22-160000.1.1 | [OPENSUSE-SU-2026:21121-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21121-1.md) | Jun 20, 2026 |
| Linux | tomcat11 sles 15.6 | 11.0.22-150600.13.21.1 | [SUSE-SU-2026:2374-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2374-1.md) | Jun 11, 2026 |
| Linux | tomcat11 sles 15.7 | 11.0.22-150600.13.21.1 | [SUSE-SU-2026:2374-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2374-1.md) | Jun 11, 2026 |
| Linux | tomcat11 sles 16.0 | 11.0.22-160000.1.1 | [SUSE-SU-2026:22196-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22196-1.md) | Jun 20, 2026 |
| Linux | tomcat9 Debian 12.15 (bookworm) | 9.0.70-2 | [DEBIAN-CVE-2026-43514](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43514.md) | May 15, 2026 |
| Linux | tomcat9 Debian 13.5 (trixie) | 9.0.70-2 | [DEBIAN-CVE-2026-43514](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43514.md) | May 15, 2026 |
| Linux | tomcat9 Debian 14 | 9.0.70-2 | [DEBIAN-CVE-2026-43514](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43514.md) | May 15, 2026 |
| Linux | tomcat9 RHEL 10 | 9.0.120-1.el10_0 | [RHSA-2026:67163](https://patchblox.com/security/data/fix/linux/rhsa-2026-67163.md) | May 27, 2026 |
| Linux | tomcat9 almalinux 10 | 1:9.0.120-1.el10_2.alma.1 | [ALSA-2026:68651](https://patchblox.com/security/data/fix/linux/alsa-2026-68651.md) | Sep 17, 2026 |
| Linux | tomcat9 amzn 2023 | 1:9.0.118-1.amzn2023.0.1 | [ALAS2023-2026-1770](https://patchblox.com/security/data/fix/linux/alas2023-2026-1770.md) | May 25, 2026 |
| Linux | tomcat9-admin-webapps almalinux 10 | 1:9.0.120-1.el10_2.alma.1 | [ALSA-2026:68651](https://patchblox.com/security/data/fix/linux/alsa-2026-68651.md) | Sep 17, 2026 |
| Linux | tomcat9-admin-webapps amzn 2023 | 1:9.0.118-1.amzn2023.0.1 | [ALAS2023-2026-1770](https://patchblox.com/security/data/fix/linux/alas2023-2026-1770.md) | May 25, 2026 |
| Linux | tomcat9-docs-webapp almalinux 10 | 1:9.0.120-1.el10_2.alma.1 | [ALSA-2026:68651](https://patchblox.com/security/data/fix/linux/alsa-2026-68651.md) | Sep 17, 2026 |
| Linux | tomcat9-docs-webapp amzn 2023 | 1:9.0.118-1.amzn2023.0.1 | [ALAS2023-2026-1770](https://patchblox.com/security/data/fix/linux/alas2023-2026-1770.md) | May 25, 2026 |
| Linux | tomcat9-el-3.0-api almalinux 10 | 1:9.0.120-1.el10_2.alma.1 | [ALSA-2026:68651](https://patchblox.com/security/data/fix/linux/alsa-2026-68651.md) | Sep 17, 2026 |
| Linux | tomcat9-el-3.0-api amzn 2023 | 1:9.0.118-1.amzn2023.0.1 | [ALAS2023-2026-1770](https://patchblox.com/security/data/fix/linux/alas2023-2026-1770.md) | May 25, 2026 |
| Linux | tomcat9-jsp-2.3-api almalinux 10 | 1:9.0.120-1.el10_2.alma.1 | [ALSA-2026:68651](https://patchblox.com/security/data/fix/linux/alsa-2026-68651.md) | Sep 17, 2026 |
| Linux | tomcat9-jsp-2.3-api amzn 2023 | 1:9.0.118-1.amzn2023.0.1 | [ALAS2023-2026-1770](https://patchblox.com/security/data/fix/linux/alas2023-2026-1770.md) | May 25, 2026 |
| Linux | tomcat9-lib almalinux 10 | 1:9.0.120-1.el10_2.alma.1 | [ALSA-2026:68651](https://patchblox.com/security/data/fix/linux/alsa-2026-68651.md) | Sep 17, 2026 |
| Linux | tomcat9-lib amzn 2023 | 1:9.0.118-1.amzn2023.0.1 | [ALAS2023-2026-1770](https://patchblox.com/security/data/fix/linux/alas2023-2026-1770.md) | May 25, 2026 |
| Linux | tomcat9-servlet-4.0-api almalinux 10 | 1:9.0.120-1.el10_2.alma.1 | [ALSA-2026:68651](https://patchblox.com/security/data/fix/linux/alsa-2026-68651.md) | Sep 17, 2026 |
| Linux | tomcat9-servlet-4.0-api amzn 2023 | 1:9.0.118-1.amzn2023.0.1 | [ALAS2023-2026-1770](https://patchblox.com/security/data/fix/linux/alas2023-2026-1770.md) | May 25, 2026 |
| Linux | tomcat9-webapps almalinux 10 | 1:9.0.120-1.el10_2.alma.1 | [ALSA-2026:68651](https://patchblox.com/security/data/fix/linux/alsa-2026-68651.md) | Sep 17, 2026 |
| Linux | tomcat9-webapps amzn 2023 | 1:9.0.118-1.amzn2023.0.1 | [ALAS2023-2026-1770](https://patchblox.com/security/data/fix/linux/alas2023-2026-1770.md) | May 25, 2026 |

---

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