Description
log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.
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 | libqb | 2.0.8-1 | — |
| Debian 13 | libqb | 2.0.8-1 | — |
| Debian 12 | libqb | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | libqb | 2.0.4-1ubuntu0.2 | USN-6308-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | libqb +1 | 2.0.6-4.el9_3 | RHSA-2023:6578 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | libqb +1 | 2.0.6-3.el9_2 | RHSA-2023:7376 |
| RHEL 9.0 EUS | libqb +1 | 2.0.3-12.el9_0 | RHSA-2023:5597 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | libqb +1 | 2.0.6-4.el9_3 | ALSA-2023:6578 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | libqb | 2.0.6+20220323.758044b-150500.3.3.1 | SUSE-SU-2023:3897-1 |
| SLES 15 SP4 | libqb | 2.0.4+20211112.a2691b9-150400.4.3.1 | SUSE-SU-2023:3944-1 |
| SLES 15 SP3 | libqb | 2.0.2+20201203.def947e-150300.3.6.1 | SUSE-SU-2023:3727-1 |
| SLES 15 SP2 | libqb | 1.0.3+20190326.a521604-150100.3.9.1 | SUSE-SU-2023:3728-1 |
| SLES 15 SP1 | libqb | 1.0.3+20190326.a521604-150100.3.9.1 | SUSE-SU-2023:3728-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | libqb | 2.0.6+20220323.758044b-150500.3.3.1 | SUSE-SU-2023:3897-1 |
| openSUSE Leap 15.4 | libqb | 1.0.3+20190326.a521604-150100.3.9.1 | SUSE-SU-2023:3944-1, SUSE-SU-2023:3728-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | libqb +2 | 2.0.6-1.amzn2023.0.1 | ALAS2023-2023-294 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libqb | 2.0.8-1 | — |
| Azure Linux 2 (CBL-Mariner) | libqb | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | libqb | 2.0.6-4.el9_3 | ELSA-2023-6578 |
Advisories 13
- ALSA-2023:6578 Moderate: libqb security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:6578 Red Hat Security Advisory: libqb security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2023:7376 Red Hat Security Advisory: libqb security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2023:5597 Red Hat Security Advisory: libqb security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-6308-1 libqb vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- WID-SEC-2023-2994 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 17, 2026
- SUSE-SU-2023:3944-1 Security update for libqb SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3897-1 Security update for libqb SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3728-1 Security update for libqb SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3727-1 Security update for libqb SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0521 IBM MQ: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 15, 2024
- ELSA-2023-6578 Moderate: libqb security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 11, 2023
- ALAS2023-2023-294 Important: libqb security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Aug 23, 2023