Bundesamt für Sicherheit in der Informationstechnik Debian · Ruby: Mehrere Schwachstellen
Affects Bundesamt für Sicherheit in der Informationstechnik DebianSource GCVE Database
Not known to be exploited · CVSS 7.5 High : upgrade Bundesamt für Sicherheit in der Informationstechnik Debian to 0.7.2 or 0.3.2 soon.
Data as of 9 Nov 2026, 13:47 UTC
- Patch
- Available – fixed in 0.7.2, 0.3.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Aug 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 9 Nov 2026.
What to do
Upgrade resolv to 0.7.2 or 0.3.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Rubyresolv | Affected
| Fixed in
|
| Rubyresolv | Affected
| Fixed in
|
AI-suggested
Red Hat has released an official security update for the ruby:3.3 module in Red Hat Enterprise Linux 8 that addresses this vulnerability. Users should apply the update as detailed in the Red Hat advisory (RHSA-2026:72285) to remediate the issue. No additional mitigation steps are indicated by the vendor.
Description
A security vulnerability in the Ruby programming language's resolv gem allows denial of service via uncontrolled memory growth from crafted DNS responses. This issue affects Ruby 3.3 as used in Red Hat Enterprise Linux 8. A security update has been issued by Red Hat to address this vulnerability.
References
- wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3053.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3053 (opens in a new tab)
- ruby-lang.org/en/news/2026/08/27/multiple-vulnerabilities-in-resolv/ (opens in a new tab)
- bodhi.fedoraproject.org/updates/FEDORA-2026-c77b963cc9 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72285 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72286 (opens in a new tab)
- errata.build.resf.org/RLSA-2026:72285 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72427 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-72785.html (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72485 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72785 (opens in a new tab)
- errata.build.resf.org/RLSA-2026:72484 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-72427.html (opens in a new tab)
- errata.build.resf.org/RLSA-2026:72485 (opens in a new tab)
- errata.build.resf.org/RLSA-2026:72286 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72484 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:73519 (opens in a new tab)
- errata.build.resf.org/RLSA-2026:72427 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-72484.html (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-72485.html (opens in a new tab)