CVE catalog

CVE-2026-6868

HTTP protocol dissector crash in Wireshark 4.6.0 to…

[CVE catalog]

HTTP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Apr 29, 2026, 10:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.19% · Oct 27, 2026

Projects and upstream resources

[wireshark][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.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [
    {
      "name": "wireshark",
      "status": "fixed",
      "release": "sid",
      "version": "4.6.9-1"
    },
    {
      "name": "wireshark",
      "status": "fixed",
      "release": "forky",
      "version": "4.6.9-1"
    },
    {
      "name": "wireshark",
      "status": "fixed",
      "release": "trixie",
      "version": "4.4.18-0+deb13u1"
    },
    {
      "name": "wireshark",
      "status": "fixed",
      "release": "trixie-security",
      "version": "4.4.19-0+deb13u1"
    },
    {
      "name": "wireshark",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "4.0.17-0+deb12u3"
    },
    {
      "name": "wireshark",
      "status": "vulnerable",
      "release": "bookworm-security",
      "version": "4.0.17-0+deb12u3"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1135323,
      "name": "wireshark",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "4.6.5-1"
    },
    {
      "bug": 1135323,
      "name": "wireshark",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "4.6.5-1"
    },
    {
      "bug": 1135323,
      "name": "wireshark",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "4.4.15-0+deb13u1"
    },
    {
      "bug": 1135323,
      "name": "wireshark",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "wireshark",
      "ecosystem": "cpe",
      "fixed_version": "not yet fixed"
    },
    {
      "name": "wireshark",
      "ecosystem": "cpe",
      "fixed_version": "4.4.15"
    },
    {
      "name": "wireshark",
      "ecosystem": "cpe",
      "fixed_version": "4.6.5"
    }
  ]
}

[Debian bug #1135323]

Publisher notes

[bookworm] wireshark: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[libwireshark16]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[libwireshark-data]Unknown
Source package: [wireshark]
Details (6)
- 4.0.17-0+deb12u3 · all · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.6-1~deb12u1 · all · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.6-1~deb12u1 · all · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[libwireshark-dev]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[libwiretap13]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[libwiretap-dev]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[libwsutil14]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[libwsutil-dev]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[tshark]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[wireshark]Unknown
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[wireshark-common]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[wireshark-dev]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[wireshark-doc]Unknown
Source package: [wireshark]
Details (6)
- 4.0.17-0+deb12u3 · all · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.6-1~deb12u1 · all · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.6-1~deb12u1 · all · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[wireshark-gtk]Unknown
Source package: [wireshark]
Details (2)
- 4.0.6-1~deb12u1 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.6-1~deb12u1 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
[wireshark-qt]Unknown
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Affected
  nvd · wireshark · debian · bookworm; nvd · wireshark · debian · 12

[Debian 13 (Trixie)]

[libwireshark18]Unknown
Source package: [wireshark]
Details (6)
- 4.4.16-0+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.16-0+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.15-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.19-0+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
[libwireshark-data]Unknown
Source package: [wireshark]
Details (6)
- 4.4.16-0+deb13u1 · all · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.16-0+deb13u1 · all · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.15-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.19-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
[libwireshark-dev]Unknown
Source package: [wireshark]
Details (6)
- 4.4.16-0+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.16-0+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.15-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.19-0+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
[libwiretap15]Unknown
Source package: [wireshark]
Details (6)
- 4.4.16-0+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.16-0+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.15-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.19-0+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
[libwiretap-dev]Unknown
Source package: [wireshark]
Details (6)
- 4.4.16-0+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.16-0+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.15-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.19-0+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
[libwsutil16]Unknown
Source package: [wireshark]
Details (6)
- 4.4.16-0+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.16-0+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.15-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.18-0+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13
- 4.4.19-0+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.4.15-0+deb13u1
  nvd · wireshark · debian · 13

Next results

Observed: Oct 27, 2026, 7:54:56 AM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]