CVE-2025-6170: Libxml2: stack buffer overflow in xmllint interactive shell command handling
Noroxi assessment
Priority: Monitor (action score 10/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.32% (FIRST EPSS).
- Someone with local access to the system can trigger it. No account or password is required. A user must open a link or visit a page. Special conditions such as timing or configuration are required.
- Fixed version: gitlab.gnome.org/GNOME/libxml2/ libxml2 2.14.5.
Low priority for now. Upgrade to gitlab.gnome.org/GNOME/libxml2/ libxml2 2.14.5 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
A flaw was found in the interactive shell of the xmllint command-line tool, used for parsing XML files. When a user inputs an overly long command, the program does not check the input size properly, which can cause it to crash. This issue might allow attackers to run harmful code in rare configurations without modern protections.
- BDU:2025-11756
- ALSA-2026:36734
- ALSA-2026:39304
- ALSA-2026:39317
- DLA-4251-1
- openSUSE-SU-2025:15321-1
- RHSA-2026:36734
- RHSA-2026:39304
- RHSA-2026:39317
- RHSA-2026:70596
- RHSA-2026:70639
- RHSA-2026:7519
- RHSA-2026:79118
- RHSA-2026:79119
- RHSA-2026:79120
- RHSA-2026:79121
- RLSA-2026:36734
- RLSA-2026:39304
- RLSA-2026:39317
- SUSE-SU-2025:02260-1
- Published
- Jun 16, 2025
- Updated
- Nov 6, 2026
- EPSS
- 0.3% · 25th percentile
- CWE
- CWE-121
Report tools
Action score
10
Monitor
Low priority for now.
- CVSS
- 10 / 40 · 2.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 2.5
- CNA · redhat
- 2.5
- agree
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
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Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
| Vendor | Product | CPE |
|---|---|---|
| redhat | jboss core services | cpe:2.3:a:redhat:jboss_core_services |
| redhat | openshift container platform | cpe:2.3:a:redhat:openshift_container_platform |
| redhat | enterprise linux | cpe:2.3:o:redhat:enterprise_linux |
| xmlsoft | libxml2 | cpe:2.3:a:xmlsoft:libxml2 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- redhat enterprise linux10.0
- redhat enterprise linux6.0
- redhat enterprise linux7.0
- redhat enterprise linux8.0
- redhat enterprise linux9.0
- redhat jboss core servicesall versions
- redhat openshift container platform4.0
- xmlsoft libxml2all versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.
gitlab.gnome.org/GNOME/libxml2/ libxml2
- before 2.14.5affected · semver
Red Hat Cert Manager support for Red Hat OpenShift release 1.17
- 1791371080 and laternot affected · rpm
- 1791371069 and laternot affected · rpm
- 1791788287 and laternot affected · rpm
- 1791378395 and laternot affected · rpm
- 1791970484 and laternot affected · rpm
Red Hat Cert Manager support for Red Hat OpenShift release 1.18
- 1791459707 and laternot affected · rpm
- 1791459711 and laternot affected · rpm
- 1791459759 and laternot affected · rpm
- 1789029076 and laternot affected · rpm
- 1791966259 and laternot affected · rpm
Red Hat Cert Manager support for Red Hat OpenShift release 1.20
- 1790223279 and laternot affected · rpm
- 1790223719 and laternot affected · rpm
- 1790272426 and laternot affected · rpm
- 1790589998 and laternot affected · rpm
- 1790589912 and laternot affected · rpm
- 1790589914 and laternot affected · rpm
- 1790589855 and laternot affected · rpm
- 1790598593 and laternot affected · rpm
Red Hat Red Hat AI Inference Server 3.2
- 1790621714 and laternot affected · rpm
- 1790621718 and laternot affected · rpm
- 1790621713 and laternot affected · rpm
Red Hat Red Hat AI Inference Server 3.5
- 1791425869 and laternot affected · rpm
- 1791427182 and laternot affected · rpm
- 1791803821 and laternot affected · rpm
- 1791473631 and laternot affected · rpm
- 1791818357 and laternot affected · rpm
- 1791473614 and laternot affected · rpm
Red Hat Red Hat Discovery 2
- 1784821670 and laternot affected · rpm
- 1784821750 and laternot affected · rpm
Red Hat Red Hat Enterprise Linux 10
- 0:2.12.5-10.el10_2.2 and laternot affected · rpm
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support
- 0:2.12.5-9.el10_0.2 and laternot affected · rpm
Red Hat Red Hat Enterprise Linux 6
- all versionsunknown
Red Hat Red Hat Enterprise Linux 7
- all versionsunknown
Red Hat Red Hat Enterprise Linux 8
- 0:2.9.7-21.el8_10.6 and laternot affected · rpm
- 0:2.9.7-21.el8_10.6 and laternot affected · rpm
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| AlmaLinux:10 | libxml2 | before 2.12.5-10.el10_2.2 | 2.12.5-10.el10_2.2 |
| AlmaLinux:10 | libxml2-devel | before 2.12.5-10.el10_2.2 | 2.12.5-10.el10_2.2 |
| AlmaLinux:10 | libxml2-static | before 2.12.5-10.el10_2.2 | 2.12.5-10.el10_2.2 |
| AlmaLinux:10 | python3-libxml2 | before 2.12.5-10.el10_2.2 | 2.12.5-10.el10_2.2 |
| AlmaLinux:8 | libxml2 | before 2.9.7-21.el8_10.6 | 2.9.7-21.el8_10.6 |
| AlmaLinux:8 | libxml2-devel | before 2.9.7-21.el8_10.6 | 2.9.7-21.el8_10.6 |
| AlmaLinux:8 | python3-libxml2 | before 2.9.7-21.el8_10.6 | 2.9.7-21.el8_10.6 |
| AlmaLinux:9 | libxml2 | before 2.9.13-14.el9_8.2 | 2.9.13-14.el9_8.2 |
| AlmaLinux:9 | libxml2-devel | before 2.9.13-14.el9_8.2 | 2.9.13-14.el9_8.2 |
| AlmaLinux:9 | python3-libxml2 | before 2.9.13-14.el9_8.2 | 2.9.13-14.el9_8.2 |
| Alpine:v3.21 | libxml2 | before 2.13.9-r0 | 2.13.9-r0 |
| Debian:11 | libxml2 | before 2.9.10+dfsg-6.7+deb11u8 | 2.9.10+dfsg-6.7+deb11u8 |
| Debian:12 | libxml2 | before 2.9.14+dfsg-1.3~deb12u3 | 2.9.14+dfsg-1.3~deb12u3 |
| Debian:13 | libxml2 | before 2.12.7+dfsg+really2.9.14-2.1 | 2.12.7+dfsg+really2.9.14-2.1 |
| openSUSE:Leap 15.6 | libxml2 | before 2.10.3-150500.5.29.1 | 2.10.3-150500.5.29.1 |
| openSUSE:Leap 15.6 | libxml2-python | before 2.10.3-150500.5.29.1 | 2.10.3-150500.5.29.1 |
| openSUSE:Leap 15.6 | python-libxml2-python | before 2.9.7-150000.3.82.1 | 2.9.7-150000.3.82.1 |
| openSUSE:Tumbleweed | libxml2 | before 2.13.8-2.1 | 2.13.8-2.1 |
| Red Hat:enterprise_linux_eus:10.0 | libxml2 | before 0:2.12.5-9.el10_0.2 | 0:2.12.5-9.el10_0.2 |
| Red Hat:enterprise_linux_eus:10.0 | libxml2-debuginfo | before 0:2.12.5-9.el10_0.2 | 0:2.12.5-9.el10_0.2 |
| Red Hat:enterprise_linux_eus:10.0 | libxml2-debugsource | before 0:2.12.5-9.el10_0.2 | 0:2.12.5-9.el10_0.2 |
| Red Hat:enterprise_linux_eus:10.0 | libxml2-devel | before 0:2.12.5-9.el10_0.2 | 0:2.12.5-9.el10_0.2 |
| Red Hat:enterprise_linux_eus:10.0 | libxml2-static | before 0:2.12.5-9.el10_0.2 | 0:2.12.5-9.el10_0.2 |
| Red Hat:enterprise_linux_eus:10.0 | python3-libxml2 | before 0:2.12.5-9.el10_0.2 | 0:2.12.5-9.el10_0.2 |
+70
Same product
redhat: all recordsOther highest-scoring records for the same primary product.
- CVE-2016-9598libxml2, as used in Red Hat JBoss Core Services, allows context-dependent attackers to cause a denial of service (out-of-bounds read and app26Monitor
- CVE-2016-9596libxml2, as used in Red Hat JBoss Core Services and when in recovery mode, allows context-dependent attackers to cause a denial of service (26Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| gitlab.gnome.org/GNOME/libxml2/ libxml2 | 2.14.5 | Vendor (CNA) |
| almalinux:libxml2 | 2.9.7-21.el8_10.6 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:libxml2-devel | 2.9.7-21.el8_10.6 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:libxml2-static | 2.12.5-10.el10_2.2 · AlmaLinux:10 | Package registry (OSV) |
| almalinux:python3-libxml2 | 2.9.7-21.el8_10.6 · AlmaLinux:8 | Package registry (OSV) |
| alpine:libxml2 | 2.13.9-r0 · Alpine:v3.21 | Package registry (OSV) |
| debian:libxml2 | 2.9.14+dfsg-1.3~deb12u3 · Debian:12 | Package registry (OSV) |
| opensuse:libxml2 | 2.10.3-150500.5.29.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:libxml2-python | 2.10.3-150500.5.29.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:python-libxml2-python | 2.9.7-150000.3.82.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| red hat:libxml2 | 0:2.9.7-21.el8_10.6 · Red Hat:enterprise_linux:8::baseos | Package registry (OSV) |
| red hat:libxml2-16 | 0:2.15.2-0.3.hum1 · Red Hat:hummingbird:1 | Package registry (OSV) |
| red hat:libxml2-debuginfo | 0:2.9.7-21.el8_10.6 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:libxml2-debugsource | 0:2.9.7-21.el8_10.6 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:libxml2-devel | 0:2.9.7-21.el8_10.6 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:libxml2-static | 0:2.12.5-10.el10_2.2 · Red Hat:enterprise_linux:10.2 | Package registry (OSV) |
| red hat:python3-libxml2 | 0:2.9.7-21.el8_10.6 · Red Hat:enterprise_linux:8::baseos | Package registry (OSV) |
| red hat:python3-libxml2-debuginfo | 0:2.9.7-21.el8_10.6 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| rocky linux:libxml2 | 0:2.9.7-21.el8_10.6 · Rocky Linux:8 | Package registry (OSV) |
| suse:libxml2 | 2.12.10-150700.4.3.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP7 | Package registry (OSV) |
| suse:libxml2 | 2.9.7-150000.3.82.1 · SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | Package registry (OSV) |
| suse:libxml2-python | 2.10.3-150500.5.29.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:libxml2-python | 2.12.10-150700.4.3.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP7 | Package registry (OSV) |
| suse:python-libxml2 | 2.9.4-46.87.1 · SUSE:Linux Enterprise Server 12 SP5-LTSS | Package registry (OSV) |
| suse:python-libxml2-python | 2.9.7-150000.3.82.1 · SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
No history yet (it accumulates with the daily EPSS job).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- low · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- High
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- Low
Weakness class (CWE)
CWE-121 · Stack-based Buffer OverflowCVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
- SSVC exploitation— → none
For records you follow, these changes also arrive as notifications. →
References
Show all references (19 more)Show less
- access.redhat.com/errata/RHSA-2026:39304
- access.redhat.com/errata/RHSA-2026:39317
- access.redhat.com/errata/RHSA-2026:44481
- access.redhat.com/errata/RHSA-2026:46836
- access.redhat.com/errata/RHSA-2026:53371
- access.redhat.com/errata/RHSA-2026:58981
- access.redhat.com/errata/RHSA-2026:70596
- access.redhat.com/errata/RHSA-2026:70639
- access.redhat.com/errata/RHSA-2026:72394
- access.redhat.com/errata/RHSA-2026:72395
- access.redhat.com/errata/RHSA-2026:72399
- access.redhat.com/errata/RHSA-2026:72470
- access.redhat.com/errata/RHSA-2026:72475
- access.redhat.com/errata/RHSA-2026:72476
- access.redhat.com/errata/RHSA-2026:72502
- access.redhat.com/errata/RHSA-2026:73859
- access.redhat.com/errata/RHSA-2026:73909
- access.redhat.com/errata/RHSA-2026:73929
- access.redhat.com/errata/RHSA-2026:73930
Vendor advisories and official records. Exploit/PoC links are deliberately left out.