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TI-2026-44076 Aliases CVE-2026-61486GHSA-phfr-gw5r-65ff

Apache Lucy: stack-buffer-overflow in JSON parser error reporter on malformed input

Priority MEDIUM 44CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

** UNSUPPORTED WHEN ASSIGNED ** Stack-based Buffer Overflow vulnerability in Apache Lucy. This issue affects Apache Lucy: all versions. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. Lucy is now maintained outside of the ASF at https://github.com/lucysearch . This issue has been fixed in 0.8.0 there. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00807 57th percentileScored 2026-11-07
Fix Fixed Apache Lucy (Apache Software Foundation): 0.8.0

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
ApacheApache Lucybefore 0.8.00.8.0Patch availableCNA
  • Apache Lucy VendorApache Affected before 0.8.0 Fixed in 0.8.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:lucy:*:*:*:*:*:*:*:*all versionsVulnerableApache
  • cpe:2.3:a:apache:lucy:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Lucy (Apache Software Foundation) Fixed in 0.8.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apache Lucy 0.8.0

    3 records Highest priority Priority MEDIUM 3 MEDIUM

    Other records, highest priority first

    • TI-2026-44075 Apache Lucy: LucyX::Remote::SearchServer unauthenticated remote Storable::thaw -> RCE/DoSPriority MEDIUM 50
    • TI-2026-44074 Apache Lucy: QueryParser unbounded recursion on deeply-nested query -> C-stack-overflow DoSPriority MEDIUM 41
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-61486
  2. 2026-10-03 Alias added: GHSA-phfr-gw5r-65ff

References

Advisory 2

  • TI-2026-44075 Apache Lucy: LucyX::Remote::SearchServer unauthenticated remote Storable::thaw -> RCE/DoS CVSS 3.1CRITICAL 9.8
  • TI-2026-44074 Apache Lucy: QueryParser unbounded recursion on deeply-nested query -> C-stack-overflow DoS CVSS 3.1HIGH 7.5

Sources

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