Skip to main content
VulnerabilityPublished Updated

CVE-2026-19654: Red Hat Enterprise Linux 10 · Out-of-bounds Read

Affects Red Hat Enterprise Linux 10Source GCVE Database

0
Authoritative record:CVE-2026-19654· High 7.5

Not known to be exploited · CVSS 7.5 High.

Data as of 26 Oct 2026, 09:16 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hatredhat/rsyslogpkg:rpm/redhat/rsyslogOther threatsAffected
  • =10.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Red Hat has released updated rsyslog packages that fix this vulnerability. Users of Red Hat Enterprise Linux 10.0 Extended Update Support should apply the security update as described in Red Hat advisory RHSA-2026:66405 and the referenced article https://access.redhat.com/articles/11258. Applying this official update fully mitigates the vulnerability.

Description

CVE-2026-19654 is a configuration-dependent vulnerability in the optional imptcp input module of rsyslog on Red Hat Enterprise Linux 10.0 Extended Update Support. It allows an unauthenticated remote peer to cause a crash of the rsyslog daemon (rsyslogd). Red Hat has issued an important security advisory and released an update to address this issue.

References

Community reviews

Loading reviews…