Red Hat Security Advisory: delve security update
Affects Red Hat delveSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.5 High : upgrade Red Hat tls to 1.27.2 or 1.26.9 soon.
Data as of 6 Nov 2026, 07:35 UTC
- Patch
- Available – fixed in 1.27.2, 1.26.9
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 8 Oct 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 5 Nov 2026.
What to do
Upgrade crypto/tls to 1.27.2 or 1.26.9.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarycrypto/tls | Affected
| Fixed in
|
| Go standard librarycrypto/tls | Affected
| Fixed in
|
Gocrypto/tlspkg:golang/crypto/tlsOther threats | Affected
| 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 delve packages for Red Hat Enterprise Linux 9.8 Extended Update Support that fix these vulnerabilities. Users should apply the provided updates as detailed in the Red Hat advisory (https://access.redhat.com/articles/11258) to remediate these issues. No additional mitigation steps are indicated beyond applying the official patches.
Description
Two security vulnerabilities affecting the Delve debugger for the Go programming language have been addressed in Red Hat Enterprise Linux 9.8 Extended Update Support. The first vulnerability (CVE-2026-97031) involves a denial of service via multiple ECH outer extension references in the crypto/tls package. The second (CVE-2026-111943) concerns man-in-the-middle attacks via untrusted intermediate certificates in the crypto/x509 package. Red Hat has released updated packages to fix these issues.
References
- access.redhat.com/errata/RHSA-2026:95518 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2548336 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2556068 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_95518.json (opens in a new tab)