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TI-2025-09006 Aliases CVE-2025-9817GHSA-3mqq-9w3m-xpj8

NULL Pointer Dereference in Wireshark

Priority LOW 35CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 4 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00207 10th percentileScored 2026-11-07
Fix Partial Wireshark (Wireshark Foundation): 4.4.9Red Hat: 2 advisoriesRed Hat: 4 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Wireshark FoundationWireshark4.4.0 to before 4.4.94.4.9Patch availableCNA
  • Wireshark VendorWireshark Foundation Affected 4.4.0 to before 4.4.9 Fixed in 4.4.9 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*4.4.0 – 4.4.8VulnerableWireshark Foundation
cpe:2.3:a:wireshark:wireshark:4.4.9:rc0:*:*:*:*:*:*4.4.9 rc0VulnerableWireshark Foundation
  • cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* Versions 4.4.0 – 4.4.8 Vulnerable ·Wireshark Foundation
  • cpe:2.3:a:wireshark:wireshark:4.4.9:rc0:*:*:*:*:*:* Versions 4.4.9 rc0 Vulnerable ·Wireshark Foundation

Remediation

  • Fix · CNA Wireshark (Wireshark Foundation) Fixed in 4.4.9

Red Hat 2 advisories

  • RHSA-2026:2763 Released 2026-02-16 · Red Hat rating Moderate
    wireshark security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) wireshark-1:4.4.2-3.el10_0.2, wireshark-cli-1:4.4.2-3.el10_0.2
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) wireshark-devel-1:4.4.2-3.el10_0.2
  • RHSA-2026:1714 Released 2026-02-02 · Red Hat rating Moderate
    wireshark security update
    • Red Hat Enterprise Linux AppStream (v. 10) wireshark-1:4.4.2-4.el10_1.2, wireshark-cli-1:4.4.2-4.el10_1.2
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) wireshark-devel-1:4.4.2-4.el10_1.2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:1714
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:2763
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:1714
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:2763
Not affected: 3 products
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-9817
  2. 2026-10-03 Alias added: GHSA-3mqq-9w3m-xpj8

References

Advisory 1

Other 1

  • TI-2026-53718 Heap-based Buffer Overflow in Wireshark CVSS 3.1CRITICAL 9.8
  • TI-2026-63612 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.8
  • TI-2024-16149 A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
  • TI-2010-00291 Multiple buffer overflows in the LWRES dissector in Wireshark 0.9.15 through 1.0.10 and… CVSS 2.0HIGH 7.5
  • TI-2026-63614 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.1
  • TI-2014-01823 Buffer overflow in the mpeg_read function in wiretap/mpeg.c in the MPEG parser in… CVSS 2.0HIGH 9.3
See all 794 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences