Description
libcroco through 0.6.13 has excessive recursion in cr_parser_parse_any_core in cr-parser.c, leading to stack consumption.
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libcroco | 0.6.13-1ubuntu0.1 | USN-6958-1 |
| Ubuntu 18.04 LTS | gnome-shell | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | libcroco | 0.6.12-2ubuntu0.1~esm1 | USN-6958-1 |
| Ubuntu Pro 16.04 LTS | gnome-shell | No fix yet | — |
| Ubuntu Pro 16.04 LTS | libcroco | 0.6.11-1ubuntu0.1~esm1 | USN-5389-1 |
| Ubuntu Pro 14.04 LTS | libcroco | 0.6.8-2ubuntu1+esm1 | USN-6958-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | libcroco +1 | 0.6.12-4.el8_2.1 | RHSA-2020:3654 |
| RHEL 7 | libcroco +1 | 0.6.12-6.el7_9 | RHSA-2020:4072 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | libcroco +1 | 0.6.12-4.el8_2.1 | ALSA-2020:3654 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | libcroco | 0.6.12-4.el8_2.1 | RLSA-2020:3654 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | libcroco | 0.6.13-3.3.1 | SUSE-SU-2021:3123-1 |
| SLES 15 SP2 | libcroco | 0.6.13-3.3.1 | SUSE-SU-2021:3123-1 |
| SLES 15 SP1 | libcroco | 0.6.12-150000.4.6.2 | SUSE-SU-2022:3493-1 |
| SLES 15 | libcroco | 0.6.12-150000.4.6.2 | SUSE-SU-2022:3493-1 |
| SLES 12 SP5 | libcroco | 0.6.11-12.6.45 | SUSE-SU-2022:2909-1 |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | libcroco | 0.6.11-12.6.45 | SUSE-SU-2022:2909-1 |
| SLES 12 SP3 | libcroco | 0.6.11-12.6.45 | SUSE-SU-2022:2909-1 |
| SLES 12 SP2 | libcroco | 0.6.11-12.6.45 | SUSE-SU-2022:2909-1 |
| SLES 11 SP4 | libcroco | 0.6.1-122.9.1 | SUSE-SU-2021:14800-1 |
| SLES for SAP 15 SP1 | libcroco | 0.6.12-150000.4.6.2 | SUSE-SU-2022:3493-1 |
| SLES for SAP 15 | libcroco | 0.6.12-150000.4.6.2 | SUSE-SU-2022:3493-1 |
| SLES for SAP 12 SP5 | libcroco | 0.6.11-12.6.45 | SUSE-SU-2022:2909-1 |
| SLES for SAP 12 SP4 | libcroco | 0.6.11-12.6.45 | SUSE-SU-2022:2909-1 |
| SLE Micro 5.0 | libcroco | 0.6.13-3.3.1 | SUSE-SU-2021:3123-1 |
| SLE HPC 15 SP1 | libcroco | 0.6.12-150000.4.6.2 | SUSE-SU-2022:3493-1 |
| SLE HPC 15 | libcroco | 0.6.12-150000.4.6.2 | SUSE-SU-2022:3493-1 |
| SUSE OpenStack Cloud Crowbar 9 | libcroco | 0.6.11-12.6.45 | SUSE-SU-2022:2909-1 |
| SUSE OpenStack Cloud 9 | libcroco | 0.6.11-12.6.45 | SUSE-SU-2022:2909-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | libcroco | 0.6.1-122.9.1 | SUSE-SU-2021:14800-1 |
| SUSE Enterprise Storage 6 | libcroco | 0.6.12-150000.4.6.2 | SUSE-SU-2022:3493-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gnome-shell | 40.5-1.1 | openSUSE-SU-2024:10797-1 |
| openSUSE Leap 15.3 | libcroco | 0.6.13-3.3.1 | openSUSE-SU-2021:3123-1 |
| openSUSE Leap 15.2 | libcroco | 0.6.13-lp152.2.3.1 | openSUSE-SU-2021:1294-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libcroco +1 | 0.6.12-6.amzn2 | ALAS2-2020-1521 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libcroco | No fix yet | — |
| Azure Linux 2 (CBL-Mariner) | libcroco | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | libcroco +1 | 0.6.12-4.el8_2.1 | ELSA-2020-3654 |
| Oracle Linux 7 | libcroco +1 | 0.6.12-6.el7_9 | ELSA-2020-4072 |
Advisories 17
- ALSA-2020:3654 Moderate: libcroco security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- USN-6958-1 libcroco vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- RHSA-2020:4072 Red Hat Security Advisory: libcroco security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2020:3654 Red Hat Security Advisory: libcroco security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-5389-1 libcroco vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- RLSA-2020:3654 Moderate: libcroco security update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2021:3123-1 Security update for libcroco SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:14800-1 Security update for libcroco SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3493-1 Security update for libcroco SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10797-1 gnome-extensions-40.5-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3123-1 Security update for libcroco SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2909-1 Security update for libcroco SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1294-1 Security update for libcroco SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2020-1521 Moderate: libcroco security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 22, 2020
- ELSA-2020-4072 Moderate: libcroco security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 8, 2020
- ELSA-2020-3654 Moderate: libcroco security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Sep 9, 2020