Description
Integer Overflow or Wraparound vulnerability in apr_base64 functions of Apache Portable Runtime Utility (APR-util) allows an attacker to write beyond bounds of a buffer.
This issue affects Apache Portable Runtime Utility (APR-util) 1.6.1 and prior versions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache Portable Runtime Utility (APR-util) | ≤ 1.6.1 | — |
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 | apr-util | 1.6.3-1 | — |
| Debian 13 | apr-util | 1.6.3-1 | — |
| Debian 12 | apr-util | 1.6.3-1 | — |
| Debian 11 | apr-util | 1.6.1-5+deb11u1 | DSA-5364-1 |
| Debian 10 | apr-util | 1.6.1-4+deb10u1 | DLA-3332-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | apr-util | 1.6.1-5ubuntu4.22.04.1 | USN-5870-1 |
| Ubuntu 20.04 LTS | apr-util | 1.6.1-4ubuntu2.1 | USN-5870-1 |
| Ubuntu 18.04 LTS | apr-util | 1.6.1-2ubuntu0.1 | USN-5870-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | apr-util | 1.5.4-1ubuntu0.1~esm2 | USN-5870-1 |
| Ubuntu Pro 14.04 LTS | apr-util | 1.5.3-1ubuntu0.1~esm2 | USN-5870-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | apr-util +8 | 1.6.1-20.el9_2.1 | RHSA-2023:3147 |
| RHEL 8 | apr-util +8 | 1.6.1-6.el8_8.1 | RHSA-2023:3109 |
| RHEL 7 | apr-util +8 | 1.5.2-6.el7_9.1 | RHSA-2023:3145 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.0 EUS | apr-util +8 | 1.6.1-20.el9_0.1 | RHSA-2023:3146 |
| RHEL 8.6 EUS | apr-util +8 | 1.6.1-6.el8_6.1 | RHSA-2023:3178 |
| RHEL 8.4 EUS | apr-util +8 | 1.6.1-6.el8_4.1 | RHSA-2023:3360 |
| RHEL 8.2 TUS | apr-util +8 | 1.6.1-6.el8_2.1 | RHSA-2023:3380 |
| RHEL 8.2 E4S | apr-util +8 | 1.6.1-6.el8_2.1 | RHSA-2023:3380 |
| RHEL 8.2 AUS | apr-util +8 | 1.6.1-6.el8_2.1 | RHSA-2023:3380 |
| RHEL 8.1 E4S | apr-util +8 | 1.6.1-6.el8_1.1 | RHSA-2023:3177 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-apr-util +8 | 1.6.1-101.el7jbcs | RHSA-2023:3354 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-curl +2 | 8.0.1-1.el7jbcs | RHSA-2023:3354 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-httpd +6 | 2.4.51-39.el7jbcs | RHSA-2023:3354 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_ssl +1 | 1:2.4.51-39.el7jbcs | RHSA-2023:3354 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl +4 | 1:1.1.1k-14.el7jbcs | RHSA-2023:3354 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | apr-util +8 | 1.6.1-20.el9_2.1 | ALSA-2023:3147 |
| AlmaLinux 8 | apr-util +8 | 1.6.1-6.el8_8.1 | ALSA-2023:3109 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | apr-util | 1.6.1-20.el9_2.1 | RLSA-2023:3147 |
| Rocky Linux 8 | apr-util | 1.6.1-6.el8.1 | RLSA-2023:3109 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | apr-util | 1.6.1-150600.27.3.1 | SUSE-SU-2026:3938-1 |
| SLES 15 SP6 | apr-util | 1.6.1-150600.27.3.1 | SUSE-SU-2026:3938-1 |
| SLES 15 SP5 | apr-util | 1.6.1-150300.18.8.1 | SUSE-SU-2026:3937-1 |
| SLES 15 SP4 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2026:3937-1, SUSE-SU-2023:0389-1 |
| SLES 15 SP3 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2023:0389-1 |
Show 26 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | apr-util | 1.6.1-150200.12.3.1 | SUSE-SU-2023:0324-1 |
| SLES 15 SP1 | apr-util | 1.6.1-150000.4.9.1 | SUSE-SU-2023:0325-1 |
| SLES 12 SP5 | libapr-util1 | 1.5.3-8.7.1 | SUSE-SU-2023:0337-1 |
| SLES 12 SP4 | libapr-util1 | 1.5.3-8.7.1 | SUSE-SU-2023:0337-1 |
| SLES 12 SP2 | libapr-util1 | 1.5.3-2.11.1 | SUSE-SU-2023:0338-1 |
| SLES for SAP 15 SP6 | apr-util | 1.6.1-150600.27.3.1 | SUSE-SU-2026:3938-1 |
| SLES for SAP 15 SP5 | apr-util | 1.6.1-150300.18.8.1 | SUSE-SU-2026:3937-1 |
| SLES for SAP 15 SP4 | apr-util | 1.6.1-150300.18.8.1 | SUSE-SU-2026:3937-1 |
| SLES for SAP 15 SP3 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2023:0389-1 |
| SLES for SAP 15 SP2 | apr-util | 1.6.1-150200.12.3.1 | SUSE-SU-2023:0324-1 |
| SLES for SAP 15 SP1 | apr-util | 1.6.1-150000.4.9.1 | SUSE-SU-2023:0325-1 |
| SLES for SAP 12 SP5 | libapr-util1 | 1.5.3-8.7.1 | SUSE-SU-2023:0337-1 |
| SLES for SAP 12 SP4 | libapr-util1 | 1.5.3-8.7.1 | SUSE-SU-2023:0337-1 |
| SLE Real Time 15 SP3 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2023:0389-1 |
| SLE HPC 15 SP5 | apr-util | 1.6.1-150300.18.8.1 | SUSE-SU-2026:3937-1 |
| SLE HPC 15 SP4 | apr-util | 1.6.1-150300.18.8.1 | SUSE-SU-2026:3937-1 |
| SLE HPC 15 SP3 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2023:0389-1 |
| SLE HPC 15 SP2 | apr-util | 1.6.1-150200.12.3.1 | SUSE-SU-2023:0324-1 |
| SLE HPC 15 SP1 | apr-util | 1.6.1-150000.4.9.1 | SUSE-SU-2023:0325-1 |
| SUSE OpenStack Cloud Crowbar 9 | libapr-util1 | 1.5.3-8.7.1 | SUSE-SU-2023:0337-1 |
| SUSE OpenStack Cloud 9 | libapr-util1 | 1.5.3-8.7.1 | SUSE-SU-2023:0337-1 |
| SUSE Manager Server 4.2 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2023:0389-1 |
| SUSE Manager Retail Branch Server 4.2 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2023:0389-1 |
| SUSE Manager Proxy 4.2 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2023:0389-1 |
| SUSE Enterprise Storage 7.1 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2023:0389-1 |
| SUSE Enterprise Storage 7 | apr-util | 1.6.1-150200.12.3.1 | SUSE-SU-2023:0324-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | apr-util | 1.6.3-1.1 | openSUSE-SU-2024:12656-1 |
| openSUSE Leap 15.4 | apr-util | 1.6.1-150300.18.5.1 | SUSE-SU-2023:0389-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | apr | 1.7.1-r0 | — |
| Alpine v3.24 | apr-util | 1.6.3-r0 | — |
| Alpine v3.23 | apr | 1.7.1-r0 | — |
| Alpine v3.23 | apr-util | 1.6.3-r0 | — |
| Alpine v3.22 | apr | 1.7.1-r0 | — |
| Alpine v3.22 | apr-util | 1.6.3-r0 | — |
| Alpine v3.21 | apr | 1.7.1-r0 | — |
| Alpine v3.21 | apr-util | 1.6.3-r0 | — |
| Alpine v3.20 | apr | 1.7.1-r0 | — |
| Alpine v3.20 | apr-util | 1.6.3-r0 | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | apr | 1.7.1-r0 | — |
| Alpine v3.19 | apr-util | 1.6.3-r0 | — |
| Alpine v3.18 | apr | 1.7.1-r0 | — |
| Alpine v3.18 | apr-util | 1.6.3-r0 | — |
| Alpine v3.17 | apr | 1.7.1-r0 | — |
| Alpine v3.17 | apr-util | 1.6.3-r0 | — |
| Alpine v3.16 | apr | 1.7.1-r0 | — |
| Alpine v3.16 | apr-util | 1.6.3-r0 | — |
| Alpine v3.15 | apr | 1.7.1-r0 | — |
| Alpine v3.15 | apr-util | 1.6.3-r0 | — |
| Alpine v3.14 | apr | 1.7.1-r0 | — |
| Alpine v3.14 | apr-util | 1.6.3-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | apr-util +7 | 1.6.3-1.amzn2023.0.1 | ALAS2023-2023-066 |
| Amazon Linux 2 | apr-util +9 | 1.6.3-1.amzn2.0.1 | ALAS2-2023-1937 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | apr-util | 1.6.3-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | apr-util +8 | 1.6.1-20.el9_2.1 | ELSA-2023-3147 |
| Oracle Linux 8 | apr-util +8 | 1.6.1-6.el8_8.1 | ELSA-2023-3109 |
| Oracle Linux 7 | apr-util +8 | 1.5.2-6.0.1.el7_9.1 | ELSA-2023-3145 |
Advisories 40
- ALSA-2023:3147 Important: apr-util security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:3109 Important: apr-util security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:3354 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.51 SP2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2023:3380 Red Hat Security Advisory: apr-util security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2023:3360 Red Hat Security Advisory: apr-util security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2023:3177 Red Hat Security Advisory: apr-util security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2023:3178 Red Hat Security Advisory: apr-util security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2023:3147 Red Hat Security Advisory: apr-util security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2023:3145 Red Hat Security Advisory: apr-util security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2023:3146 Red Hat Security Advisory: apr-util security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2023:3109 Red Hat Security Advisory: apr-util security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- SUSE-SU-2026:3937-1 Security update for apr-util SUSE / openSUSE Security Updates · Sep 10, 2026
- SUSE-SU-2026:3938-1 Security update for apr-util SUSE / openSUSE Security Updates · Sep 10, 2026
- WID-SEC-2023-0245 Apache Portable Runtime (APR): Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 9, 2026
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- USN-5870-1 APR-util vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- DSA-5364-1 apr-util - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3332-1 apr-util - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2023:3147 Important: apr-util security update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2023:3109 Important: apr-util security update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2023:0324-1 Security update for apr-util SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0325-1 Security update for apr-util SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0338-1 Security update for libapr-util1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0389-1 Security update for apr-util SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1424 Xerox FreeFlow Print Server für Solaris: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 6, 2025
- WID-SEC-2023-2625 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 6, 2025
- WID-SEC-2024-0899 Oracle Fusion Middleware: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 9, 2025
- openSUSE-SU-2024:12656-1 apr-util-devel-1.6.3-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2023:0337-1 Security update for libapr-util1 SUSE / openSUSE Security Updates · May 2, 2025
- ICSA-25-105-08 ABB M2M Gateway CISA ICS & IT advisories · Apr 7, 2025
- 2NGA002579 ABB Arctic communication solution ARM600 Vulnerabilities ABB PSIRT · Apr 7, 2025
- WID-SEC-2024-1591 Juniper JUNOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2024
- WID-SEC-2024-0124 Oracle Financial Services Applications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 16, 2024
- WID-SEC-2023-2679 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 17, 2023
- WID-SEC-2023-1812 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 20, 2023
- ELSA-2023-3109 Important: apr-util security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 24, 2023
- ALAS2023-2023-066 Moderate: apr-util security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 23, 2023
- ALAS2-2023-1937 Moderate: apr-util security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · May 23, 2023
- ELSA-2023-3145 Important: apr-util security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 19, 2023
- ELSA-2023-3147 Important: apr-util security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 17, 2023