Description
A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| libcomps | libcomps | 0.1.10 | — |
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | createrepo_c +3 | 0.11.0-3.el8 | RHSA-2019:3583 |
| RHEL 8 | dnf +4 | 4.2.7-6.el8 | RHSA-2019:3583 |
| RHEL 8 | libcomps +2 | 0.1.11-2.el8 | RHSA-2019:3583 |
| RHEL 8 | libdnf +2 | 0.35.1-8.el8 | RHSA-2019:3583 |
| RHEL 8 | librepo +1 | 1.10.3-3.el8 | RHSA-2019:3583 |
| RHEL 8 | librhsm | 0.0.3-3.el8 | RHSA-2019:3583 |
| RHEL 8 | libsolv | 0.7.4-3.el8 | RHSA-2019:3583 |
| RHEL 8 | microdnf | 3.0.1-3.el8 | RHSA-2019:3583 |
| RHEL 8 | yum-utils +3 | 4.0.8-3.el8 | RHSA-2019:3583 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Extras Other 7 | libcomps +4 | 0.1.8-13.el7 | RHSA-2019:3898 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 | libcomps | 0.1.8-bp150.3.3.1 | openSUSE-SU-2019:0328-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | createrepo_c +3 | 0.11.0-3.el8 | ELSA-2019-3583 |
| Oracle Linux 8 | dnf +4 | 4.2.7-6.el8 | ELSA-2019-3583 |
| Oracle Linux 8 | libcomps +2 | 0.1.11-2.el8 | ELSA-2019-3583 |
| Oracle Linux 8 | libdnf +2 | 0.35.1-8.0.1.el8 | ELSA-2019-3583 |
| Oracle Linux 8 | librepo +1 | 1.10.3-3.el8 | ELSA-2019-3583 |
| Oracle Linux 8 | librhsm | 0.0.3-3.el8 | ELSA-2019-3583 |
| Oracle Linux 8 | libsolv | 0.7.4-3.el8 | ELSA-2019-3583 |
| Oracle Linux 8 | microdnf | 3.0.1-3.el8 | ELSA-2019-3583 |
| Oracle Linux 8 | yum-utils +3 | 4.0.8-3.el8 | ELSA-2019-3583 |
Advisories 4
- RHSA-2019:3583 Red Hat Security Advisory: yum security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 20, 2026
- RHSA-2019:3898 Red Hat Security Advisory: libcomps security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- openSUSE-SU-2019:0328-1 Security update for libcomps SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2019-3583 Moderate: yum security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 14, 2019