SUSE · Security update for go1.26
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.5 High : upgrade SUSE net to 1.26.3 or 1.25.10 soon.
Data as of 10 Nov 2026, 20:06 UTC
- Patch
- Available – fixed in 1.26.3, 1.25.10
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 7 May 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 10 Nov 2026.
What to do
Upgrade net to 1.26.3 or 1.25.10.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarynet | Affected
| Fixed in
|
| Go standard librarynet | Affected
| Fixed in
|
Gonetpkg:golang/netOther threats | Affected
| Fixed in– |
Gonetpkg:golang/netOther 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
This update for go1.26 fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling long CNAME response (bsc#1264508). - CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1264506). - CVE-2026-39817: cmd/go: "go tool pack" does not sanitize output paths (bsc#1264505). - CVE-2026-39819: cmd/go: "go bug" follows symlinks in predictable temporary filenames (bsc#1264504). - CVE-2026-39820: net/mail: quadratic string concatentation in consumeComment (bsc#1264503). - CVE-2026-39823: html/template: bypass of meta content URL escaping causes XSS (bsc#1264509). - CVE-2026-39825: net/http/httputil: ReverseProxy forwards queries with more than urlmaxqueryparams parameters (bsc#1264500). - CVE-2026-39826: html/template: escaper bypass leads to XSS (bsc#1264507). - CVE-2026-39836: net: panic in Dial and LookupPort when handling NUL byte on Windows (bsc#1264501). - CVE-2026-42499: net/mail: quadratic string concatenation in consumePhrase (bsc#1264502). - CVE-2026-42501: cmd/go: malicious module proxy can bypass checksum database (bsc#1264499). Non security issues: - Updated to go1.26.3 (bsc#1255111). - Go packages miss binutils-gold dependency (bsc#1170826).
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/2026/opensuse-su-2026_20762-1.json (opens in a new tab)
- bugzilla.suse.com/1170826 (opens in a new tab)
- bugzilla.suse.com/1255111 (opens in a new tab)
- bugzilla.suse.com/1264499 (opens in a new tab)
- bugzilla.suse.com/1264500 (opens in a new tab)
- bugzilla.suse.com/1264501 (opens in a new tab)
- bugzilla.suse.com/1264502 (opens in a new tab)
- bugzilla.suse.com/1264503 (opens in a new tab)
- bugzilla.suse.com/1264504 (opens in a new tab)
- bugzilla.suse.com/1264505 (opens in a new tab)
- bugzilla.suse.com/1264506 (opens in a new tab)
- bugzilla.suse.com/1264507 (opens in a new tab)
- bugzilla.suse.com/1264508 (opens in a new tab)
- bugzilla.suse.com/1264509 (opens in a new tab)
- suse.com/security/cve/CVE-2026-33811/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-33814/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-39817/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-39819/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-39820/ (opens in a new tab)