SUSE · Security update for go1.25
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 6.5 Medium : upgrade SUSE x509 to 1.26.4 or 1.25.11 when convenient.
Data as of 28 Oct 2026, 20:13 UTC
- Patch
- Available – fixed in 1.26.4, 1.25.11
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:HExploitation evidence
Disclosed: evidence found.
CVE published 2 Jun 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 crypto/x509 to 1.26.4 or 1.25.11.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarycrypto/x509 | Affected
| Fixed in
|
| Go standard librarycrypto/x509 | Affected
| Fixed in
|
Gocrypto/x509pkg:golang/crypto/x509Other 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
Apply the official update to Go 1.25.11 which contains fixes for these vulnerabilities. No additional mitigation steps are indicated by the vendor advisory.
Description
This security update for Go 1.25 addresses multiple vulnerabilities including a hostname parsing issue in crypto/x509, a quadratic complexity vulnerability in mime's WordDecoder.DecodeHeader, and improper escaping of arbitrary input in net/textproto error messages. These issues are fixed in Go 1.25.11 as released by the SUSE Product Security Team.
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_20977-1.json (opens in a new tab)
- bugzilla.suse.com/1244485 (opens in a new tab)
- bugzilla.suse.com/1245878 (opens in a new tab)
- bugzilla.suse.com/1264394 (opens in a new tab)
- bugzilla.suse.com/1267442 (opens in a new tab)
- bugzilla.suse.com/1267444 (opens in a new tab)
- bugzilla.suse.com/1267450 (opens in a new tab)
- suse.com/security/cve/CVE-2026-27145/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-42504/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-42507/ (opens in a new tab)