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TI-2026-56341 Aliases CVE-2026-81687GHSA-fj6q-w4r8-75h7

openssl_encrypt before 1.4.9 Denial of Service via KDF

Priority LOW 37CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

openssl_encrypt versions before 1.4.9 fail to enforce a time ceiling on key derivation function iteration counts specified in file metadata. Attackers can craft files with extremely high KDF iteration counts to consume CPU resources for unbounded periods before password verification occurs.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00291 21st percentileScored 2026-11-07
Fix Fixed openssl_encrypt (jahlives): 1.4.9

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
jahlivesopenssl_encryptbefore 1.4.91.4.9Patch availableCNA
  • openssl_encrypt Vendorjahlives Affected before 1.4.9 Fixed in 1.4.9 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:*:*:*——jahlives
  • cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:*:*:* Versions — — ·jahlives

Remediation

  • Fix · CNA openssl_encrypt (jahlives) Fixed in 1.4.9

Fixed in the same release

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

  • Release ·

    jahlives openssl_encrypt 1.4.9

    36 records Highest priority Priority MEDIUM 24 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2026-56361 openssl_encrypt before 1.4.9 ANSI Escape Injection via Identity EmailPriority MEDIUM 49
    • TI-2026-56355 openssl_encrypt before 1.4.9 Arbitrary Code Execution via unsigned pluginPriority MEDIUM 48
    • TI-2026-56354 openssl_encrypt before 1.4.9 GPG Signature Verification BypassPriority MEDIUM 48
    Show all 36 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-81687
  2. 2026-10-03 Alias added: GHSA-fj6q-w4r8-75h7

References

Advisory 1

  • TI-2026-52616 openssl_encrypt before 1.4.0 Sandbox Escape via Type Hierarchy CVSS 4.0CRITICAL 9.3
  • TI-2026-52615 openssl_encrypt before 1.4.0 Sandbox Escape via Dunder Attribute Traversal CVSS 4.0CRITICAL 9.3
  • TI-2026-52602 openssl_encrypt before 1.4.0 Sandbox Bypass via pathlib and io CVSS 4.0HIGH 8.7
  • TI-2026-56361 openssl_encrypt before 1.4.9 ANSI Escape Injection via Identity Email CVSS 4.0CRITICAL 9.3
  • TI-2026-52617 openssl_encrypt before 1.4.0 Weak Shared Secret via PQC Simulation Mode CVSS 4.0CRITICAL 9.3
  • TI-2026-52614 openssl_encrypt before 1.4.0 Plugin Sandbox Bypass via Process Isolation CVSS 4.0CRITICAL 9.3
See all 65 →

Sources

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