Red Hat Security Advisory: Red Hat build of Cryostat 4.1.1: new RHEL 9 container image security update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.5 High : upgrade Red Hat url to 1.25.6 or 1.24.12 soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 2.2% chance of exploitation in 30 days – higher than 83% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.25.6, 1.24.12
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 28 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade net/url to 1.25.6 or 1.24.12.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarynet/url | Affected
| Fixed in
|
| Go standard librarynet/url | Affected
| Fixed in
|
Gonet/urlpkg:golang/net/urlOther threats | Affected
| Fixed in– |
Gonet/urlpkg:golang/net/urlOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
The Cryostat 4 on RHEL 9 container images have been updated to fix several bugs. Users of Cryostat 4 on RHEL 9 container images are advised to upgrade to these updated images, which contain backported patches to fix these bugs and add these enhancements. Users of these images are also encouraged to rebuild all container images that depend on these images. Security Fix(es): * golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip (CVE-2025-61728) * golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726) * crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121) You can find images updated by this advisory in the Red Hat Container Catalog (see the References section).
References
- access.redhat.com/errata/RHSA-2026:3186 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2434431 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2434432 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2437111 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3186.json (opens in a new tab)