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OPENSUSE-SU-2026:21175-1

Vulnerability from csaf_opensuse - Published: 2026-06-30 09:08 - Updated: 2026-09-17 17:37
Summary
Security update for python-zeroconf
Severity
Moderate
Notes
Title of the patch: Security update for python-zeroconf
Description of the patch: This update for python-zeroconf fixes the following issues: Changes in python-zeroconf: - CVE-2026-47180: zeroconf has unbounded recursion in DNS compression-pointer decoder that allows LAN-local denial of service (bsc#1268341) - CVE-2026-47183: zeroconf: Unbounded exception-dedup state retains packet buffers via traceback frame locals, enabling LAN-local memory exhaustion (bsc#1268342) - CVE-2026-47184: zeroconf has unbounded DNS record cache that allows LAN-local memory exhaustion via multicast flood (bsc#1268343) - CVE-2026-48045: python-zeroconf: Unbounded TC-deferred queue allows LAN-local memory exhaustion via spoofed-source flood (bsc#1268388) - CVE-2026-48487: python-zeroconf: Unvalidated rdlength in record payload readers allows LAN-local cache corruption via crafted mDNS packet (bsc#1268235)
Patchnames: openSUSE-Leap-16.0-packagehub-370
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-47180
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 16.0:python313-zeroconf-0:0.136.0-bp160.2.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:python313-zeroconf-0:0.136.0-bp160.2.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:python313-zeroconf-0:0.136.0-bp160.2.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:python313-zeroconf-0:0.136.0-bp160.2.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-47183
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2026-47180
Threats
Impact moderate
CVE-2026-47184
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2026-47180
Threats
Impact moderate
CVE-2026-48045
Affected products
Recommended 4 products, the same list as for CVE-2026-47180
Threats
Impact moderate
CVE-2026-48487
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
Recommended 4 products, the same list as for CVE-2026-47180
Threats
Impact moderate
References
To clipboard 

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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
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    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.