Bundesamt für Sicherheit in der Informationstechnik Amazon · fetchmail: Schwachstelle ermöglicht Codeausführung
Affects Bundesamt für Sicherheit in der Informationstechnik AmazonSource GCVE Database
Not known to be exploited · CVSS 5.3 Medium.
Data as of 12 Nov 2026, 12:32 UTC
Contested
Scorers differ by 2 or more points| CNA (redhat) | CVSS 3.1 | 5.3 |
|---|---|---|
| CISA-ADP | CVSS 3.1 | 8.1 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 21 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 12 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10fetchmail | Affected– | Fixed in– |
| Red Hat Enterprise Linux 10fetchmail | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8fetchmail | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9fetchmail | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9fetchmail | Affected– | Fixed in– |
| Red Hat Enterprise Linux 6fetchmail | Affected– | Fixed in– |
AI-suggested
Red Hat has released security updates for Red Hat Enterprise Linux 10 and its extended support variants that fix this vulnerability. Users should apply these official patches as detailed in the Red Hat advisory (RHSA-2026:85959). No additional mitigation steps are indicated beyond applying the update.
Description
A stack-based buffer overflow vulnerability exists in fetchmail's NTLM authentication implementation. Fetchmail is a mail retrieval and forwarding utility supporting multiple protocols. This vulnerability could allow code execution. Red Hat has issued a security update addressing this issue in Red Hat Enterprise Linux 10 and related variants.
References
- wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3495.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3495 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2537395 (opens in a new tab)
- github.com/advisories/GHSA-5PFW-5PV2-2PC6 (opens in a new tab)
- bodhi.fedoraproject.org/updates/FEDORA-2026-fdb231ab53 (opens in a new tab)
- bodhi.fedoraproject.org/updates/FEDORA-2026-8ffc03a2ce (opens in a new tab)
- bodhi.fedoraproject.org/updates/FEDORA-2026-ffdc059b16 (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-October/029633.html (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-October/029733.html (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-October/029734.html (opens in a new tab)
- alas.aws.amazon.com/AL2/ALAS2-2026-3981.html (opens in a new tab)
- lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/5DZNJYJII54RPNZD4VJEIKBVQSIJOB3S/ (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:85959 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-85959.html (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-October/029940.html (opens in a new tab)
- errata.build.resf.org/RLSA-2026:85959 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-86981.html (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-86982.html (opens in a new tab)
- errata.build.resf.org/RLSA-2026:86981 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:86982 (opens in a new tab)