Description
A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | JSS | Fixed in v5.2.0-beta1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | jss | 5.2.0-1 | — |
| Debian 12 | jss | 5.2.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | jss | No fix yet | — |
| Ubuntu 26.04 LTS | jss | No fix yet | — |
| Ubuntu 25.10 | jss | No fix yet | — |
| Ubuntu 24.04 LTS | jss | No fix yet | — |
| Ubuntu 22.04 LTS | jss | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | jss | No fix yet | — |
| Ubuntu 18.04 LTS | jss | No fix yet | — |
| Ubuntu 16.04 LTS | jss | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | jss +1 | 4.9.3-1.module+el8.6.0+14244+60d461b7 | RHSA-2022:1851 |
| RHEL 8 | ldapjdk +1 | 4.23.0-1.module+el8.5.0+11983+6ba118b4 | RHSA-2022:1851 |
| RHEL 8 | pki-ca +9 | 10.12.0-2.module+el8.6.0+14115+8b467244 | RHSA-2022:1851 |
| RHEL 8 | tomcatjss | 7.7.1-1.module+el8.6.0+13291+248751b1 | RHSA-2022:1851 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Certificate System 10 | jss | 4.9.8-1.module+el8pki+19895+c800dfbd | RHSA-2024:0774 |
| Red Hat Certificate System 10 | redhat-pki | 10.13.9-5.module+el8pki+21062+4ed906e8 | RHSA-2024:0774 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | jss +1 | 4.9.3-1.module_el8.6.0+2764+9fc58d50 | ALSA-2022:1851 |
| AlmaLinux 8 | ldapjdk +1 | 4.23.0-1.module_el8.6.0+2764+9fc58d50 | ALSA-2022:1851 |
| AlmaLinux 8 | pki-ca +8 | 10.12.0-2.module_el8.6.0+2764+9fc58d50 | ALSA-2022:1851 |
| AlmaLinux 8 | tomcatjss | 7.7.1-1.module_el8.6.0+2764+9fc58d50 | ALSA-2022:1851 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | jss | 4.9.3-1.module+el8.6.0+788+76246f77 | RLSA-2022:1851 |
| Rocky Linux 8 | ldapjdk | 4.23.0-1.module+el8.5.0+701+8dc610e5 | RLSA-2022:1851 |
| Rocky Linux 8 | pki-core | 10.12.0-2.module+el8.6.0+788+76246f77 | RLSA-2022:1851 |
| Rocky Linux 8 | tomcatjss | 7.7.1-1.module+el8.6.0+788+76246f77 | RLSA-2022:1851 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | jss +1 | 4.9.3-1.module+el8.6.0+20558+60d461b7 | ELSA-2022-1851 |
| Oracle Linux 8 | ldapjdk +1 | 4.23.0-1.module+el8.5.0+20349+9cc212a8 | ELSA-2022-1851 |
| Oracle Linux 8 | pki-ca +8 | 10.12.0-2.0.1.module+el8.6.0+20558+60d461b7 | ELSA-2022-1851 |
| Oracle Linux 8 | tomcatjss | 7.7.1-1.module+el8.6.0+20558+60d461b7 | ELSA-2022-1851 |
Advisories 6
- ALSA-2022:1851 Moderate: pki-core:10.6 security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2024-0352 Red Hat Enterprise Linux (DogTag PKI): Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Oct 8, 2026
- RLSA-2022:1851 Moderate: pki-core:10.6 security and bug fix update Rocky Linux Security Advisories · Feb 4, 2026
- RHSA-2024:0774 Red Hat Security Advisory: Red Hat Certificate System 10.4 for RHEL 8 security and bug fix update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:1851 Red Hat Security Advisory: pki-core:10.6 security and bug fix update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ELSA-2022-1851 Moderate: pki-core:10.6 security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 17, 2022
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2042900
- https://access.redhat.com/security/cve/CVE-2021-4213
- https://security-tracker.debian.org/tracker/CVE-2021-4213
- https://github.com/dogtagpki/jss/commit/5922560a78d0dee61af8a33cc9cfbf4cfa291448
- https://github.com/dogtagpki/jss/commit/3aabe0e9d59b0a42e68ac8cd0468f9c5179967d2