CVE catalog

CVE-2020-24824

libelfin affected and fixed versions

A global buffer overflow issue in the dwarf::line_table::line_table function of Libelfin v0.3 allows attackers to cause a denial of service (DOS).

Severity: Medium
Published: Aug 4, 2021, 3:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.74% · Oct 27, 2026

Projects and upstream resources

[libelfin][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	libelfin	Not reported	AffectedDistribution reports no fix	[CVE-2020-24824]
Debianbookworm	libelfin	`0.3-3`	Affected	[CVE-2020-24824]
Ubuntu24.04	libelfin	`0.3-3`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu24.04	libelfin	`0.3-3.1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu24.04	libelfin	`0.3-3.1build1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu24.04	libelfin	`0.3-3.1ubuntu1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu22.04	libelfin	`0.3-2.1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu20.04	libelfin	`0.3-1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu20.04	libelfin	`0.3-1ubuntu1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu20.04	libelfin	`0.3-1ubuntu2`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu18.04	libelfin	`0.3-1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
UnknownRelease not reported	libelfin	Not reported	UnknownSource applicability is not established	Provider not reported

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
UnknownRelease not reported	libelfin	Not reported	UnknownSource applicability is not established	Provider not reported
Debianbookworm	libelfin	Not reported	AffectedDistribution reports no fix	[CVE-2020-24824]
Debianbookworm	libelfin	`0.3-3`	Affected	[CVE-2020-24824]
Ubuntu18.04	libelfin	`0.3-1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu20.04	libelfin	`0.3-1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu20.04	libelfin	`0.3-1ubuntu1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu20.04	libelfin	`0.3-1ubuntu2`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu22.04	libelfin	`0.3-2.1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu24.04	libelfin	`0.3-3`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu24.04	libelfin	`0.3-3.1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu24.04	libelfin	`0.3-3.1build1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC
Ubuntu24.04	libelfin	`0.3-3.1ubuntu1`	Affected	[UBUNTU-CVE-2020-24824]Apr 22, 2026, 12:34:47 PM UTC

Original provider fields

{
  "package_releases": [
    {
      "name": "libelfin",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "0.3-3"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1014122,
      "name": "libelfin",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "libelfin",
      "fixed_version": "not yet fixed",
      "applicability_unknown": true
    },
    {
      "name": "libelfin",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "18.04",
      "versions": [
        "0.3-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-24824",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-24824",
      "provider_updated_at": "2026-04-22T12:34:47.118402Z"
    },
    {
      "name": "libelfin",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "0.3-1",
        "0.3-1ubuntu1",
        "0.3-1ubuntu2"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-24824",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-24824",
      "provider_updated_at": "2026-04-22T12:34:47.118402Z"
    },
    {
      "name": "libelfin",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "0.3-2.1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-24824",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-24824",
      "provider_updated_at": "2026-04-22T12:34:47.118402Z"
    },
    {
      "name": "libelfin",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "0.3-3",
        "0.3-3.1",
        "0.3-3.1build1",
        "0.3-3.1ubuntu1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-24824",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-24824",
      "provider_updated_at": "2026-04-22T12:34:47.118402Z"
    }
  ]
}

[Debian bug #1014122]

Publisher notes

[bookworm] libelfin: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[libdwarf++0]Unknown
Source package: [libelfin]
Details (2)
- 0.3-3 · amd64 · bookworm
  Affected
  dsa · libelfin · debian · bookworm; dsa · libelfin · debian · 12
- 0.3-3 · arm64 · bookworm
  Affected
  dsa · libelfin · debian · bookworm; dsa · libelfin · debian · 12
[libelf++0]Unknown
Source package: [libelfin]
Details (2)
- 0.3-3 · amd64 · bookworm
  Affected
  dsa · libelfin · debian · bookworm; dsa · libelfin · debian · 12
- 0.3-3 · arm64 · bookworm
  Affected
  dsa · libelfin · debian · bookworm; dsa · libelfin · debian · 12
[libelfin-dev]Unknown
Source package: [libelfin]
Details (2)
- 0.3-3 · amd64 · bookworm
  Affected
  dsa · libelfin · debian · bookworm; dsa · libelfin · debian · 12
- 0.3-3 · arm64 · bookworm
  Affected
  dsa · libelfin · debian · bookworm; dsa · libelfin · debian · 12

Observed: Oct 23, 2026, 5:49:21 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]