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CVE-2026-7375· NVD / CVE Program· CNA GitLab

Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

Noroxi assessment

Priority: Monitor (action score 30/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.28% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Wireshark Foundation Wireshark 4.4.15, 4.6.5.
  • Severity is disputed: the assigning authority (CNA) scores it 5.5, NVD 7.5.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Wireshark Foundation Wireshark 4.4.15, 4.6.5 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

UDS protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

HighCVSS 7.5 · v3.1—No exploit Fix available
Published
Apr 30, 2026
Updated
Jun 17, 2026
EPSS
0.2% · 19th percentile

Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
7.5
CNA · GitLab
5.5
2.0 point gap

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-7375

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
wiresharkwireshark

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • wireshark wireshark4.4.0 and later · before 4.4.15
  • wireshark wireshark4.6.0 and later · before 4.6.5

Versions reported by the vendor

Affected version ranges reported by the assigning authority (GitLab). Independent of NVD's CPE analysis and usually ahead of it.

  • Wireshark Foundation Wireshark

    • 4.6.0 and later · before 4.6.5affected · semver
    • 4.4.0 and later · before 4.4.15affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12wiresharkfrom 0—
Debian:13wiresharkbefore 4.4.15-0+deb13u14.4.15-0+deb13u1
Debian:14wiresharkbefore 4.6.5-14.6.5-1
openSUSE:Leap 16.0wiresharkbefore 4.4.17-160000.1.14.4.17-160000.1.1
SUSE:Linux Enterprise Server 16.0wiresharkbefore 4.4.17-160000.1.14.4.17-160000.1.1

Same product

wireshark: all records

Other highest-scoring records for the same primary product.

  • CVE-2010-0304Multiple buffer overflows in the LWRES dissector in Wireshark 0.9.15 through 1.0.10 and 1.2.0 through 1.2.5 allow remote attackers to cause
    52Plan
  • CVE-2014-2299Buffer overflow in the mpeg_read function in wiretap/mpeg.c in the MPEG parser in Wireshark 1.8.x before 1.8.13 and 1.10.x before 1.10.6 all
    51Plan
  • CVE-2011-1591Stack-based buffer overflow in the DECT dissector in epan/dissectors/packet-dect.c in Wireshark 1.4.x before 1.4.5 allows remote attackers t
    50Plan

Published before and after this one in the same product

  • ← EarlierCVE-2026-3203Feb 25, 2026 · Buffer Over-read in Wireshark
    30Monitor
  • ← EarlierCVE-2026-6868Apr 30, 2026 · Stack-based Buffer Overflow in Wireshark
    30Monitor
  • Later →CVE-2026-7376Apr 30, 2026 · NULL Pointer Dereference in Wireshark
    30Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Wireshark Foundation Wireshark4.4.15Vendor (CNA)
Wireshark Foundation Wireshark4.6.5Vendor (CNA)
debian:wireshark4.4.15-0+deb13u1 · Debian:13Package registry (OSV)
opensuse:wireshark4.4.17-160000.1.1 · openSUSE:Leap 16.0Package registry (OSV)
suse:wireshark4.4.17-160000.1.1 · SUSE:Linux Enterprise Server 16.0Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-65190 days apartLoop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
    30Monitor
  • CVE-2026-65200 days apartLoop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
    30Monitor
  • CVE-2026-1516369 days apartLoop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
    30Monitor
  • CVE-2026-65310 days apartLoop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
    22Monitor
  • CVE-2026-65340 days apartLoop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
    22Monitor
  • CVE-2026-65360 days apartLoop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
    22Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records