CVE-Katalog

CVE-2021-40391

gerbv affected and fixed versions

An out-of-bounds write vulnerability exists in the drill format T-code tool number functionality of Gerbv 2.7.0, dev (commit b5f1eacd), and the forked version of Gerbv (commit 71493260). A specially-crafted drill file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Schweregrad: Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Nov 4, 2021, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.99% · Oct 27, 2026

Projects and upstream resources

[gerbv][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
Debiantrixie	gerbv	`2.10.0-1`	Fixed	[CVE-2021-40391]
Debiantrixie	gerbv	`2.7.1-1`	FixedDistribution-reported fixed boundary	[CVE-2021-40391]
Debiansid	gerbv	`2.10.0-2`	Fixed	[CVE-2021-40391]
Debiansid	gerbv	`2.7.1-1`	FixedDistribution-reported fixed boundary	[CVE-2021-40391]
Debianbookworm	gerbv	`2.7.1-1`	FixedDistribution-reported fixed boundary	[CVE-2021-40391]
Debianbookworm	gerbv	`2.9.6-1`	Fixed	[CVE-2021-40391]

Showing 6 fix observations. All 14 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
Debianbookworm	gerbv	`2.7.1-1`	FixedDistribution-reported fixed boundary	[CVE-2021-40391]
Debianbookworm	gerbv	`2.9.6-1`	Fixed	[CVE-2021-40391]
Debiansid	gerbv	`2.10.0-2`	Fixed	[CVE-2021-40391]
Debiansid	gerbv	`2.7.1-1`	FixedDistribution-reported fixed boundary	[CVE-2021-40391]
Debiantrixie	gerbv	`2.10.0-1`	Fixed	[CVE-2021-40391]
Debiantrixie	gerbv	`2.7.1-1`	FixedDistribution-reported fixed boundary	[CVE-2021-40391]
Ubuntu20.04	gerbv	`2.7.0-1`	UnknownSource applicability is not established	[USN-6209-1]Jun 29, 2026, 1:50:54 PM UTC[UBUNTU-CVE-2021-40391]Feb 4, 2026, 3:07:06 AM UTC
Ubuntu20.04	gerbv	`2.7.0-1ubuntu0.1`	UnknownSource applicability is not established	[USN-6209-1]Jun 29, 2026, 1:50:54 PM UTC[UBUNTU-CVE-2021-40391]Feb 4, 2026, 3:07:06 AM UTC
Ubuntupro	gerbv	`2.7.0-2`	UnknownSource applicability is not established	[USN-6209-1]Jun 29, 2026, 1:50:54 PM UTC[UBUNTU-CVE-2021-40391]Feb 4, 2026, 3:07:06 AM UTC
Ubuntupro	gerbv	`2.7.1-1`	UnknownSource applicability is not established	[USN-6209-1]Jun 29, 2026, 1:50:54 PM UTC[UBUNTU-CVE-2021-40391]Feb 4, 2026, 3:07:06 AM UTC
Ubuntupro	gerbv	`2.8.0-1`	UnknownSource applicability is not established	[USN-6209-1]Jun 29, 2026, 1:50:54 PM UTC[UBUNTU-CVE-2021-40391]Feb 4, 2026, 3:07:06 AM UTC
Ubuntupro	gerbv	`2.8.1-1`	UnknownSource applicability is not established	[USN-6209-1]Jun 29, 2026, 1:50:54 PM UTC[UBUNTU-CVE-2021-40391]Feb 4, 2026, 3:07:06 AM UTC
Ubuntupro	gerbv	`2.8.2-1`	UnknownSource applicability is not established	[USN-6209-1]Jun 29, 2026, 1:50:54 PM UTC[UBUNTU-CVE-2021-40391]Feb 4, 2026, 3:07:06 AM UTC
Ubuntupro	gerbv	`2.8.2-1ubuntu0.1~esm1`	UnknownSource applicability is not established	[USN-6209-1]Jun 29, 2026, 1:50:54 PM UTC[UBUNTU-CVE-2021-40391]Feb 4, 2026, 3:07:06 AM UTC

Original provider fields

{
  "package_releases": [
    {
      "name": "gerbv",
      "status": "fixed",
      "release": "sid",
      "version": "2.10.0-2"
    },
    {
      "name": "gerbv",
      "status": "fixed",
      "release": "trixie",
      "version": "2.10.0-1"
    },
    {
      "name": "gerbv",
      "status": "fixed",
      "release": "bookworm",
      "version": "2.9.6-1"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "gerbv",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "2.7.1-1"
    },
    {
      "bug": null,
      "name": "gerbv",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "2.7.1-1"
    },
    {
      "bug": null,
      "name": "gerbv",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "2.7.1-1"
    }
  ],
  "distribution_packages": [
    {
      "name": "gerbv",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.8.2-1ubuntu0.1~esm1"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "2.7.0-2",
        "2.7.1-1",
        "2.8.0-1",
        "2.8.1-1",
        "2.8.2-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/USN-6209-1",
      "fixed_version": "2.8.2-1ubuntu0.1~esm1",
      "provider_source": "pypi",
      "provider_record_id": "USN-6209-1",
      "provider_updated_at": "2026-06-29T13:50:54.380120107Z",
      "applicability_unknown": true
    },
    {
      "name": "gerbv",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.0-1ubuntu0.1"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "2.7.0-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/USN-6209-1",
      "fixed_version": "2.7.0-1ubuntu0.1",
      "provider_source": "pypi",
      "provider_record_id": "USN-6209-1",
      "provider_updated_at": "2026-06-29T13:50:54.380120107Z",
      "applicability_unknown": true
    },
    {
      "name": "gerbv",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.8.2-1ubuntu0.1~esm1"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "2.7.0-2",
        "2.7.1-1",
        "2.8.0-1",
        "2.8.1-1",
        "2.8.2-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-40391",
      "fixed_version": "2.8.2-1ubuntu0.1~esm1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2021-40391",
      "provider_updated_at": "2026-02-04T03:07:06.997538Z",
      "applicability_unknown": true
    },
    {
      "name": "gerbv",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.0-1ubuntu0.1"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "2.7.0-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-40391",
      "fixed_version": "2.7.0-1ubuntu0.1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2021-40391",
      "provider_updated_at": "2026-02-04T03:07:06.997538Z",
      "applicability_unknown": true
    }
  ]
}

OpenFactory catalog packages

Die Paketzuordnung läuft.

[Debian 12 (Bookworm)]

[gerbv]Unbekannt
Details (2)
- 2.9.6-1 · amd64 · bookworm
  Behoben · Behoben: 2.7.1-1
  dsa · gerbv · debian · bookworm; dsa · gerbv · debian · 12
- 2.9.6-1 · arm64 · bookworm
  Behoben · Behoben: 2.7.1-1
  dsa · gerbv · debian · bookworm; dsa · gerbv · debian · 12

[Debian 13 (Trixie)]

[gerbv]Unbekannt
Quellpaket: [gerbv]
Details (2)
- 2.10.0-1+b1 · amd64 · trixie
  Behoben · Behoben: 2.7.1-1
  dsa · gerbv · debian · 13
- 2.10.0-1+b2 · arm64 · trixie
  Behoben · Behoben: 2.7.1-1
  dsa · gerbv · debian · 13

Beobachtet: Oct 23, 2026, 6:02:25 PM UTC

Referenzen

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]