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[security][HIGH] libxml2 2.14.5: CVE-2026-6732 require triage #1

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opened 2026-05-25 00:46:43 +03:00 by sbelikov · 0 comments

sbelikov commented

2026-05-25 00:46:43 +03:00

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CVE triage request / Запрос на разбор CVE

Package / Пакет

Package: libxml2
Version: 2.14.5
EVR: 2.14.5-1
Category: -
Policy class: -
NiceOS policy class: -
Owner: -
Severity: HIGH
Max CVSS: 7.5
CVE count: 1

LLM recommendation / Рекомендация LLM

RU

Для пакета libxml2 2.14.5 найдены CVE-кандидаты по данным NVD/CPE: CVE-2026-6732. Требуется triage security-team.

Проверить применимость CVE к сборке НАЙС.ОС, сопоставить с upstream/vendor advisory, определить статус affected/fixed/not_affected и при необходимости подготовить обновление пакета.

Рекомендуемое действие: needs_triage

Подсказка по целевой версии: -

Проверки: Проверить сборку RPM, обновление пакета, совместимость зависимостей, service/CLI smoke tests и регрессионные сценарии по классу пакета.

Риски: Автоматическое совпадение NVD/CPE не является финальным вердиктом по НАЙС.ОС.

EN

NVD/CPE candidate CVEs were found for libxml2 2.14.5: CVE-2026-6732. Security-team triage is required.

Verify CVE applicability to the NiceOS build, compare with upstream/vendor advisories, set affected/fixed/not_affected status, and prepare a package update if required.

Recommended action: needs_triage

Target version hint: -

Tests: Run RPM build, package upgrade, dependency compatibility, service/CLI smoke tests, and package-class-specific regression tests.

Risks: An automatic NVD/CPE match is not the final NiceOS vulnerability verdict.

CVE candidates from NVD/CPE

CVE	Severity	CVSS	Match	NiceOS status	Reason
CVE-2026-6732	HIGH	7.5	cpe-range	needs_triage	package version is inside version range

Descriptions

CVE-2026-6732

A flaw was found in libxml2. This vulnerability occurs when the library processes a specially crafted XML Schema Definition (XSD) validated document that includes an internal entity reference. An attacker could exploit this by providing a malicious document, leading to a type confusion error that causes the application to crash. This results in a denial of service (DoS), making the affected system or application unavailable.

Maintainer checklist

Verify whether each CVE applies to the NiceOS build.
Compare NVD data with upstream/vendor advisory.
Set final NiceOS status: affected, fixed, not_affected, false_positive, deferred, or not_in_cloud_image.
If affected, decide update/backport strategy according to package policy class.
Run package-class-specific build, upgrade and regression tests.
Add/update niceos_cve_triage entry.
Create NICE-SA advisory if a security update is shipped.

Machine metadata

{
  "cves": [
    "CVE-2026-6732"
  ],
  "fingerprint": "76f4107bda4480eb33f2",
  "generated_at": "2026-05-24T21:46:43Z",
  "package": "libxml2",
  "prompt_version": "niceos_cve_issue_analysis_v1",
  "tool": "niceos_cve_create_issues.py",
  "tool_version": "1.0",
  "version": "2.14.5"
}

# CVE triage request / Запрос на разбор CVE ## Package / Пакет - Package: `libxml2` - Version: `2.14.5` - EVR: `2.14.5-1` - Category: `-` - Policy class: `-` - NiceOS policy class: `-` - Owner: `-` - Severity: `HIGH` - Max CVSS: `7.5` - CVE count: `1` ## LLM recommendation / Рекомендация LLM ### RU Для пакета libxml2 2.14.5 найдены CVE-кандидаты по данным NVD/CPE: CVE-2026-6732. Требуется triage security-team. Проверить применимость CVE к сборке НАЙС.ОС, сопоставить с upstream/vendor advisory, определить статус affected/fixed/not_affected и при необходимости подготовить обновление пакета. **Рекомендуемое действие:** `needs_triage` **Подсказка по целевой версии:** `-` **Проверки:** Проверить сборку RPM, обновление пакета, совместимость зависимостей, service/CLI smoke tests и регрессионные сценарии по классу пакета. **Риски:** Автоматическое совпадение NVD/CPE не является финальным вердиктом по НАЙС.ОС. ### EN NVD/CPE candidate CVEs were found for libxml2 2.14.5: CVE-2026-6732. Security-team triage is required. Verify CVE applicability to the NiceOS build, compare with upstream/vendor advisories, set affected/fixed/not_affected status, and prepare a package update if required. **Recommended action:** `needs_triage` **Target version hint:** `-` **Tests:** Run RPM build, package upgrade, dependency compatibility, service/CLI smoke tests, and package-class-specific regression tests. **Risks:** An automatic NVD/CPE match is not the final NiceOS vulnerability verdict. ## CVE candidates from NVD/CPE | CVE | Severity | CVSS | Match | NiceOS status | Reason | |---|---|---:|---|---|---| | CVE-2026-6732 | HIGH | 7.5 | cpe-range | needs_triage | package version is inside version range | ## Descriptions ### CVE-2026-6732 A flaw was found in libxml2. This vulnerability occurs when the library processes a specially crafted XML Schema Definition (XSD) validated document that includes an internal entity reference. An attacker could exploit this by providing a malicious document, leading to a type confusion error that causes the application to crash. This results in a denial of service (DoS), making the affected system or application unavailable. ## Maintainer checklist - [ ] Verify whether each CVE applies to the NiceOS build. - [ ] Compare NVD data with upstream/vendor advisory. - [ ] Set final NiceOS status: `affected`, `fixed`, `not_affected`, `false_positive`, `deferred`, or `not_in_cloud_image`. - [ ] If affected, decide update/backport strategy according to package policy class. - [ ] Run package-class-specific build, upgrade and regression tests. - [ ] Add/update `niceos_cve_triage` entry. - [ ] Create `NICE-SA` advisory if a security update is shipped. ## Machine metadata ```json { "cves": [ "CVE-2026-6732" ], "fingerprint": "76f4107bda4480eb33f2", "generated_at": "2026-05-24T21:46:43Z", "package": "libxml2", "prompt_version": "niceos_cve_issue_analysis_v1", "tool": "niceos_cve_create_issues.py", "tool_version": "1.0", "version": "2.14.5" } ```

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rpms/libxml2#1

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