Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-d47v-hstc-wqc1
Vulnerability ID VCID-d47v-hstc-wqc1
Aliases CVE-2026-0990
Summary libxml2: libxml2: Denial of Service via uncontrolled recursion in XML catalog processing
Status Published
Exploitability 0.5
Weighted Severity 5.3
Risk 2.6
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-674 Uncontrolled Recursion
System Score Found at
cvssv3.1 5.9 https://access.redhat.com/errata/RHSA-2026:7519
ssvc Track https://access.redhat.com/errata/RHSA-2026:7519
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-0990.json
cvssv3.1 5.9 https://access.redhat.com/security/cve/CVE-2026-0990
ssvc Track https://access.redhat.com/security/cve/CVE-2026-0990
epss 0.00088 https://api.first.org/data/v1/epss?cve=CVE-2026-0990
cvssv3.1 5.9 https://bugzilla.redhat.com/show_bug.cgi?id=2429959
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2429959
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.9 https://gitlab.gnome.org/GNOME/libxml2/-/issues/1018
ssvc Track https://gitlab.gnome.org/GNOME/libxml2/-/issues/1018
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-0990.json
https://api.first.org/data/v1/epss?cve=CVE-2026-0990
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-0990
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1018 https://gitlab.gnome.org/GNOME/libxml2/-/issues/1018
1125695 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1125695
2429959 https://bugzilla.redhat.com/show_bug.cgi?id=2429959
cpe:/a:redhat:hummingbird:1 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:hummingbird:1
cpe:/a:redhat:jboss_core_services:1 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_core_services:1
cpe:/a:redhat:openshift:4 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:9
CVE-2026-0990 https://access.redhat.com/security/cve/CVE-2026-0990
RHSA-2026:7519 https://access.redhat.com/errata/RHSA-2026:7519
USN-7974-1 https://usn.ubuntu.com/7974-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2026:7519
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-15T16:31:20Z/ Found at https://access.redhat.com/errata/RHSA-2026:7519
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-0990.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/security/cve/CVE-2026-0990
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-15T16:31:20Z/ Found at https://access.redhat.com/security/cve/CVE-2026-0990
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=2429959
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-15T16:31:20Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2429959
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://gitlab.gnome.org/GNOME/libxml2/-/issues/1018
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-15T16:31:20Z/ Found at https://gitlab.gnome.org/GNOME/libxml2/-/issues/1018
Exploit Prediction Scoring System (EPSS)
Percentile 0.25207
EPSS Score 0.00088
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:37:03.264786+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-0990.json 38.6.0