Каталог CVE

CVE-2023-26916

libyang vulnerabilities

libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem at lys_parse_mem.c.

Критичність: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: Apr 3, 2023, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.99% · Oct 27, 2026

Projects and upstream resources

[libyang][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Debianbookworm	libyang2	Not reported	AffectedDistribution reports no fix	[CVE-2023-26916]
Debianbookworm	libyang2	`2.1.30-2`	Affected	[CVE-2023-26916]
Ubuntu24.04	libyang2	`2.1.30-2`	UnknownSource applicability is not established	[UBUNTU-CVE-2023-26916]Apr 22, 2026, 2:04:23 PM UTC[USN-7752-1]Apr 22, 2026, 11:01:48 AM UTC
Ubuntu24.04	libyang2	`2.1.30-2.1`	UnknownSource applicability is not established	[UBUNTU-CVE-2023-26916]Apr 22, 2026, 2:04:23 PM UTC[USN-7752-1]Apr 22, 2026, 11:01:48 AM UTC
Ubuntu24.04	libyang2	`2.1.30-2.1build1`	UnknownSource applicability is not established	[UBUNTU-CVE-2023-26916]Apr 22, 2026, 2:04:23 PM UTC[USN-7752-1]Apr 22, 2026, 11:01:48 AM UTC
Ubuntu24.04	libyang2	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	[UBUNTU-CVE-2023-26916]Apr 22, 2026, 2:04:23 PM UTC[USN-7752-1]Apr 22, 2026, 11:01:48 AM UTC
UnknownRelease not reported	libyang-tools	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2	Not reported	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2-dev	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2-tools	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2t64	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
UnknownRelease not reported	libyang-tools	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2	Not reported	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2-dev	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2-tools	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libyang2t64	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
Debianbookworm	libyang2	Not reported	AffectedDistribution reports no fix	[CVE-2023-26916]
Debianbookworm	libyang2	`2.1.30-2`	Affected	[CVE-2023-26916]
Ubuntu24.04	libyang2	`2.1.30-2`	UnknownSource applicability is not established	[UBUNTU-CVE-2023-26916]Apr 22, 2026, 2:04:23 PM UTC[USN-7752-1]Apr 22, 2026, 11:01:48 AM UTC
Ubuntu24.04	libyang2	`2.1.30-2.1`	UnknownSource applicability is not established	[UBUNTU-CVE-2023-26916]Apr 22, 2026, 2:04:23 PM UTC[USN-7752-1]Apr 22, 2026, 11:01:48 AM UTC
Ubuntu24.04	libyang2	`2.1.30-2.1build1`	UnknownSource applicability is not established	[UBUNTU-CVE-2023-26916]Apr 22, 2026, 2:04:23 PM UTC[USN-7752-1]Apr 22, 2026, 11:01:48 AM UTC
Ubuntu24.04	libyang2	`2.1.30-2.1ubuntu0.1`	UnknownSource applicability is not established	[UBUNTU-CVE-2023-26916]Apr 22, 2026, 2:04:23 PM UTC[USN-7752-1]Apr 22, 2026, 11:01:48 AM UTC

Original provider fields

{
  "package_releases": [
    {
      "name": "libyang2",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "2.1.30-2"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1034154,
      "name": "libyang2",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "libyang2",
      "fixed_version": "not yet fixed",
      "applicability_unknown": true
    },
    {
      "name": "libyang2",
      "fixed_version": "2.1.30-2.1ubuntu0.1",
      "applicability_unknown": true
    },
    {
      "name": "libyang-tools",
      "fixed_version": "2.1.30-2.1ubuntu0.1",
      "applicability_unknown": true
    },
    {
      "name": "libyang2-dev",
      "fixed_version": "2.1.30-2.1ubuntu0.1",
      "applicability_unknown": true
    },
    {
      "name": "libyang2-tools",
      "fixed_version": "2.1.30-2.1ubuntu0.1",
      "applicability_unknown": true
    },
    {
      "name": "libyang2t64",
      "fixed_version": "2.1.30-2.1ubuntu0.1",
      "applicability_unknown": true
    },
    {
      "name": "libyang2",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.30-2.1ubuntu0.1"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "2.1.30-2",
        "2.1.30-2.1",
        "2.1.30-2.1build1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-26916",
      "fixed_version": "2.1.30-2.1ubuntu0.1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2023-26916",
      "provider_updated_at": "2026-04-22T14:04:23.404417Z",
      "applicability_unknown": true
    },
    {
      "name": "libyang2",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.30-2.1ubuntu0.1"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "2.1.30-2",
        "2.1.30-2.1",
        "2.1.30-2.1build1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/USN-7752-1",
      "fixed_version": "2.1.30-2.1ubuntu0.1",
      "provider_source": "pypi",
      "provider_record_id": "USN-7752-1",
      "provider_updated_at": "2026-04-22T11:01:48.149587Z",
      "applicability_unknown": true
    }
  ]
}

[Debian bug #1034154]

Publisher notes

[bookworm] libyang2: Minor issue

OpenFactory catalog packages

Зіставлення пакетів триває.

[Debian 12 (Bookworm)]

[libyang2]Невідомо
Подробиці (2)
- 2.1.30-2 · amd64 · bookworm
  Уражена
  usn · libyang2 · debian · bookworm; usn · libyang2 · debian · 12
- 2.1.30-2 · arm64 · bookworm
  Уражена
  usn · libyang2 · debian · bookworm; usn · libyang2 · debian · 12
[libyang2-dev]Невідомо
Пакет джерела: [libyang2]
Подробиці (2)
- 2.1.30-2 · amd64 · bookworm
  Уражена
  usn · libyang2 · debian · bookworm; usn · libyang2 · debian · 12
- 2.1.30-2 · arm64 · bookworm
  Уражена
  usn · libyang2 · debian · bookworm; usn · libyang2 · debian · 12
[libyang2-tools]Невідомо
Пакет джерела: [libyang2]
Подробиці (2)
- 2.1.30-2 · amd64 · bookworm
  Уражена
  usn · libyang2 · debian · bookworm; usn · libyang2 · debian · 12
- 2.1.30-2 · arm64 · bookworm
  Уражена
  usn · libyang2 · debian · bookworm; usn · libyang2 · debian · 12
[libyang-tools]Невідомо
Пакет джерела: [libyang2]
Подробиці (2)
- 2.1.30-2 · all · bookworm
  Уражена
  usn · libyang2 · debian · bookworm; usn · libyang2 · debian · 12
- 2.1.30-2 · all · bookworm
  Уражена
  usn · libyang2 · debian · bookworm; usn · libyang2 · debian · 12

[Debian 13 (Trixie)]

[libyang3]Невідомо
Пакет джерела: [libyang]
Подробиці (4)
- 3.12.2-1 · amd64 · trixie
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
- 3.12.2-1 · arm64 · trixie
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
- 3.13.6-1~bpo13+1 · amd64 · trixie-backports
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
- 3.13.6-1~bpo13+1 · arm64 · trixie-backports
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
[libyang3-tools]Невідомо
Пакет джерела: [libyang]
Подробиці (4)
- 3.12.2-1 · amd64 · trixie
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
- 3.12.2-1 · arm64 · trixie
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
- 3.13.6-1~bpo13+1 · amd64 · trixie-backports
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
- 3.13.6-1~bpo13+1 · arm64 · trixie-backports
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
[libyang-dev]Невідомо
Пакет джерела: [libyang]
Подробиці (4)
- 3.12.2-1 · amd64 · trixie
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
- 3.12.2-1 · arm64 · trixie
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
- 3.13.6-1~bpo13+1 · amd64 · trixie-backports
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13
- 3.13.6-1~bpo13+1 · arm64 · trixie-backports
  Виправлена · Виправлена: 3.4.2+dfsg-2
  usn · libyang · debian · 13

Спостережено: Oct 28, 2026, 5:48:33 PM UTC

Посилання

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]