Description
The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035.
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 | libxml2 +2 | 2.9.7-7.el8 | RHSA-2020:1827 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | libxml2 +1 | 2.9.7-3.3.1 | SUSE-SU-2018:3080-1 |
| SLES 12 SP3 | libxml2 +1 | 2.9.4-46.15.1 | SUSE-SU-2018:3081-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | libxml2 +1 | 2.9.4-46.15.1 | SUSE-SU-2018:3081-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libxml2 | 2.9.12-1.2 | openSUSE-SU-2024:11016-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.23 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.22 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.21 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.20 | libxml2 | 2.9.8-r1 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.18 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.17 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.16 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.15 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.14 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.13 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.12 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.11 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.10 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.9 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.8 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.7 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.6 | libxml2 | 2.9.8-r1 | — |
| Alpine v3.5 | libxml2 | 2.9.8-r1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | libxml2 +2 | 2.9.7-7.0.1.el8 | ELSA-2020-1827 |
Advisories 7
- WID-SEC-2026-4026 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 18, 2026
- RHSA-2020:1827 Red Hat Security Advisory: libxml2 security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- SUSE-SU-2018:3081-1 Security update for libxml2 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11016-1 libxml2-2-2.9.12-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:3080-1 Security update for libxml2 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1614 Tenable Security Nessus Network Monitor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 25, 2023
- ELSA-2020-1827 Moderate: libxml2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 5, 2020