VDB

CVE-2026-6527

CVE-2026-6527 PUBLISHED CVSS 5.5 MEDIUM

Uncontrolled Recursion in Wireshark

Reported by gitlab · Published April 30, 2026

ASN.1 PER protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
wireshark-cliAmazon Linux1:4.6.6-1.amzn2023.0.1
wireshark-develAmazon Linux1:4.6.6-1.amzn2023.0.1
wiresharkwireshark4.6.4, 4.4.14
WiresharkWireshark Foundation4.6.5, 4.4.15

Risk scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

VendorProductVersions
Wireshark FoundationWireshark4.6.0, 4.4.0
amazon:2023wireshark-cli0
Wireshark FoundationWireshark4.6.0, 4.4.0
amazon:2023wireshark-devel0

Timeline

  • Apr 29, 2026 CVE Published
  • Apr 30, 2026 EPSS Score (25 in total, the first dated here)
  • May 1, 2026 Security Advisory (6 in total, the first dated here)
  • Jul 26, 2026 Coalition ESS Score
  • Aug 11, 2026 Distribution Patch (4 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-6527
vulnetix vdb fixes CVE-2026-6527

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-6527/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

Look up in the Resolve Platform →
$ Lookup Community · 50/day Open Lookup ›