CVE-2025-12105Network attack vectorHinoki check available

Remote application crash via duplicate queue finalization

Published Oct 23, 2025 · Updated Oct 23, 2025

Use-after-free in Red Hat Enterprise Linux 10's libsoup3 allows remote attackers to crash applications via crafted HTTP/2 traffic. The run_until_read_done() path can finish an already-finished queue item, so later code accesses memory released by the first finalization. No authentication or user interaction is required; successful triggering interrupts only the application that uses the vulnerable library.

CVSS severity7.5
High
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
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Summary

What happened

Use-after-free in Red Hat Enterprise Linux 10's libsoup3 allows remote attackers to crash applications via crafted HTTP/2 traffic. The run_until_read_done() path can finish an already-finished queue item, so later code accesses memory released by the first finalization. No authentication or user interaction is required; successful triggering interrupts only the application that uses the vulnerable library.

The record

CVE
CVE-2025-12105
Published
Oct 23, 2025
Updated
Oct 23, 2025
Vendor
389 Directory Server
Product
Red Hat Enterprise Linux 10
Classifications
CWE-416, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 23, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

389 Directory Server · Red Hat Enterprise Linux 10Affected versions are unavailable in this record.
389 Directory Server · Red Hat Enterprise Linux 7Affected versions are unavailable in this record.
389 Directory Server · Red Hat Enterprise Linux 9Affected versions are unavailable in this record.
389 Directory Server · Red Hat Enterprise Linux 8Affected versions are unavailable in this record.

Published CVSS scores

7.5Red HatCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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