CVE-2020-25862
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-25862
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25862.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-25862
- Downstream
- Related
- Published
- 2020-10-06T15:15:15.273Z
- Modified
- 2025-11-14T10:59:49.316117Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html
- https://gitlab.com/wireshark/wireshark/-/commit/7f3fe6164a68b76d9988c4253b24d43f498f1753
- https://gitlab.com/wireshark/wireshark/-/issues/16816
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.wireshark.org/security/wnpa-sec-2020-12.html
Affected packages
Git / github.com/wireshark/wireshark
Affected ranges
- Type
- GIT
- Repo
- https://github.com/wireshark/wireshark
- Events
-
IntroducedIntroducedIntroduced
Affected versions
v2.*
v2.6.0
v2.6.1
v2.6.10
v2.6.10rc0
v2.6.11
v2.6.11rc0
v2.6.12
v2.6.12rc0
v2.6.13
v2.6.13rc0
v2.6.14
v2.6.14rc0
v2.6.15
v2.6.15rc0
v2.6.16
v2.6.16rc0
v2.6.17
v2.6.17rc0
v2.6.18
v2.6.18rc0
v2.6.19
v2.6.19rc0
v2.6.1rc0
v2.6.2
v2.6.20
v2.6.20rc0
v2.6.21rc0
v2.6.2rc0
v2.6.3
v2.6.3rc0
v2.6.4
v2.6.4rc0
v2.6.5
v2.6.5rc0
v2.6.6
v2.6.6rc0
v2.6.7
v2.6.7rc0
v2.6.8
v2.6.8rc0
v2.6.9
v2.6.9rc0
v3.*
v3.0.0
v3.0.1
v3.0.10
v3.0.10rc0
v3.0.11
v3.0.11rc0
v3.0.12
v3.0.12rc0
v3.0.13
v3.0.13rc0
v3.0.14
v3.0.14rc0
v3.0.15rc0
v3.0.1rc0
v3.0.2
v3.0.2rc0
v3.0.3
v3.0.3rc0
v3.0.4
v3.0.4rc0
v3.0.5
v3.0.5rc0
v3.0.6
v3.0.6rc0
v3.0.7
v3.0.7rc0
v3.0.8
v3.0.8rc0
v3.0.9
v3.0.9rc0
v3.2.0
v3.2.1
v3.2.10
v3.2.10rc0
v3.2.11
v3.2.11rc0
v3.2.12
v3.2.12rc0
v3.2.13
v3.2.13rc0
v3.2.14
v3.2.14rc0
v3.2.15
v3.2.15rc0
v3.2.16
v3.2.16rc0
v3.2.17
v3.2.17rc0
v3.2.18
v3.2.18rc0
v3.2.1rc0
v3.2.2
v3.2.2rc0
v3.2.3
v3.2.3rc0
v3.2.4
v3.2.4rc0
v3.2.5
v3.2.5rc0
v3.2.6
v3.2.6rc0
v3.2.7
v3.2.7rc0
v3.2.8
v3.2.8rc0
v3.2.9
v3.2.9rc0
wireshark-2.*
wireshark-2.6.0
wireshark-2.6.1
wireshark-2.6.10
wireshark-2.6.11
wireshark-2.6.12
wireshark-2.6.13
wireshark-2.6.14
wireshark-2.6.15
wireshark-2.6.16
wireshark-2.6.17
wireshark-2.6.18
wireshark-2.6.19
wireshark-2.6.2
wireshark-2.6.20
wireshark-2.6.3
wireshark-2.6.4
wireshark-2.6.5
wireshark-2.6.6
wireshark-2.6.7
wireshark-2.6.8
wireshark-2.6.9
wireshark-3.*
wireshark-3.0.0
wireshark-3.0.1
wireshark-3.0.10
wireshark-3.0.11
wireshark-3.0.12
wireshark-3.0.13
wireshark-3.0.14
wireshark-3.0.2
wireshark-3.0.3
wireshark-3.0.4
wireshark-3.0.5
wireshark-3.0.6
wireshark-3.0.7
wireshark-3.0.8
wireshark-3.0.9
wireshark-3.2.0
wireshark-3.2.1
wireshark-3.2.10
wireshark-3.2.11
wireshark-3.2.12
wireshark-3.2.13
wireshark-3.2.14
wireshark-3.2.15
wireshark-3.2.16
wireshark-3.2.17
wireshark-3.2.18
wireshark-3.2.2
wireshark-3.2.3
wireshark-3.2.4
wireshark-3.2.5
wireshark-3.2.6
wireshark-3.2.7
wireshark-3.2.8
wireshark-3.2.9
Git / gitlab.com/wireshark/wireshark
Affected ranges
- Type
- GIT
- Repo
- https://gitlab.com/wireshark/wireshark
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
Other
backups/ethereal@18706
ethereal-0-3-15
start
ethereal-0.*
ethereal-0.3.15
v1.*
v1.11.0
v1.11.0-rc1
v1.11.1
v1.11.1-rc1
v1.11.2
v1.11.2-rc1
v1.11.3
v1.11.3-rc1
v1.11.4-rc1
v1.99.0
v1.99.0-rc1
v1.99.1
v1.99.10rc0
v1.99.1rc0
v1.99.2
v1.99.2rc0
v1.99.3
v1.99.3rc0
v1.99.4
v1.99.4rc0
v1.99.5
v1.99.5rc0
v1.99.6
v1.99.6rc0
v1.99.7
v1.99.7rc0
v1.99.8
v1.99.8rc0
v1.99.9
v1.99.9rc0
v2.*
v2.1.0
v2.1.0rc0
v2.1.1
v2.1.1rc0
v2.1.2rc0
v2.3.0rc0
v2.5.0
v2.5.0rc0
v2.5.1
v2.5.1rc0
v2.5.2rc0
v2.9.0
v2.9.0rc0
v2.9.1rc0
v3.*
v3.0.0
v3.0.0rc0
v3.0.0rc1
v3.0.0rc2
v3.0.1
v3.0.10
v3.0.10rc0
v3.0.11
v3.0.11rc0
v3.0.12
v3.0.12rc0
v3.0.13
v3.0.13rc0
v3.0.14rc0
v3.0.1rc0
v3.0.2
v3.0.2rc0
v3.0.3
v3.0.3rc0
v3.0.4
v3.0.4rc0
v3.0.5
v3.0.5rc0
v3.0.6
v3.0.6rc0
v3.0.7
v3.0.7rc0
v3.0.8
v3.0.8rc0
v3.0.9
v3.0.9rc0
wireshark-1.*
wireshark-1.11.3
wireshark-1.99.0
wireshark-1.99.1
wireshark-1.99.2
wireshark-1.99.3
wireshark-1.99.4
wireshark-1.99.5
wireshark-1.99.6
wireshark-1.99.7
wireshark-1.99.8
wireshark-1.99.9
wireshark-2.*
wireshark-2.1.0
wireshark-2.1.1
wireshark-2.5.0
wireshark-3.*
wireshark-3.0.0
wireshark-3.0.1
wireshark-3.0.10
wireshark-3.0.11
wireshark-3.0.12
wireshark-3.0.13
wireshark-3.0.2
wireshark-3.0.3
wireshark-3.0.4
wireshark-3.0.5
wireshark-3.0.6
wireshark-3.0.7
wireshark-3.0.8
wireshark-3.0.9
Database specific
vanir_signatures
[
{
"signature_type": "Line",
"deprecated": false,
"id": "CVE-2020-25862-7975778d",
"source": "https://gitlab.com/wireshark/wireshark@7f3fe6164a68b76d9988c4253b24d43f498f1753",
"digest": {
"line_hashes": [
"242302087000154554284775128768973085051",
"185008706844172963313874610184916204300",
"294017873334335896332854535638490301366",
"184037773829120508062932782996856580214"
],
"threshold": 0.9
},
"signature_version": "v1",
"target": {
"file": "epan/dissectors/packet-tcp.c"
}
}
]