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CVE-2025-40909VulnerabilityPublished Updated

SUSE · security update for perl

Affects SUSESource GCVE Database

0
Authoritative record:CVE-2025-40909· Medium 5.9

Not known to be exploited · CVSS 5.9 Medium.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 42% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 May 2025

  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
SUSE Product Security Team SUSEAffected
  • Red Hat
  • Red Hat Enterprise Linux
  • Red Hat Enterprise Linux AppStream (v. 8)
  • Red Hat Enterprise Linux BaseOS (v. 8)
  • aarch64
  • Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • src
  • perl-4:5.32.1-481.el9_4.1.src
  • Red Hat Enterprise Linux AppStream (v. 9)
  • perl-4:5.32.1-481.1.el9_6.src
  • Red Hat Enterprise Linux AppStream (v. 10)
  • perl-4:5.40.2-512.2.el10_0.src
  • SUSE
  • i686
  • perl-devel-4:5.32.1-481.1.el9_6.i686
  • perl-libs-4:5.32.1-481.1.el9_6.i686
  • noarch
Fixed in–

AI-suggested

Red Hat has issued an official security update for Perl in Red Hat Enterprise Linux 9 to address this vulnerability. Users should apply the update as described in the Red Hat advisory RHSA-2025:11804 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patch.

Description

Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a working directory race condition where file operations may target unintended paths (CVE-2025-40909) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

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