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VULNERABILITIES

CVE-2020-25866 Details

Description

In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html CVEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html CVEMailing ListThird Party Advisory
https://gitlab.com/wireshark/wireshark/-/commit/4a948427100b6c109f4ec7b4361f0d2aec5e5c3f CVEPatchThird Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/16866 CVEExploitIssue TrackingThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/ CVE

see all 18 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
wireshark wireshark
>= 3.0.0, <= 3.0.13
>= 3.2.0, <= 3.2.6

CPE

  • cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
31
32
33

CPE

  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
opensuse leap
15.1
15.2

CPE

  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
oracle zfs storage appliance kit
8.8

CPE

  • cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

11 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-25866
NVD Published Date:
Oct 6, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]