CVE catalog
CVE-2026-97031
golang-1.19: CVE-2026-97031
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.52% · Oct 25, 2026
Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references. We now reject these as malformed and curb the memory amplification vector as a result.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | golang-1.19 | bookworm | 1.19.8-2 | vulnerable |
| Bitnami | golang | Not reported | 1.26.9 | fixed |
| Bitnami | golang | Not reported | 1.27.2 | fixed |
| Go | stdlib | Not reported | 1.26.9 | fixed |
| Go | stdlib | Not reported | 1.27.2 | fixed |
| Opensuse | mihomo | tumbleweed | 1.19.33-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-1.19 | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Bitnami | golang | Bitnami | Not reported | 1.26.9 | Not reported | BIT-GOLANG-2026-97031 | Not reported |
| Bitnami | golang | Bitnami | Not reported | 1.27.2 | Not reported | BIT-GOLANG-2026-97031 | Not reported |
| Go | stdlib | Go | Not reported | 1.26.9 | Not reported | GO-2026-6607 | Not reported |
| Go | stdlib | Go | Not reported | 1.27.2 | Not reported | GO-2026-6607 | Not reported |
| Opensuse | mihomo | rpm | tumbleweed | 1.19.33-1.1 | Not reported | OPENSUSE-SU-2026:12246-1 | Not reported |
Notes
[bookworm] golang-1.19: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [golang-1.19]Affected
Details (2)
1.19.8-2· all · bookwormAffected
dsa · golang-1.19 · debian · bookworm; dsa · golang-1.19 · debian · 12
1.19.8-2· all · bookwormAffected
dsa · golang-1.19 · debian · bookworm; dsa · golang-1.19 · debian · 12
- [golang-1.19-doc]Affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· all · bookwormAffected
dsa · golang-1.19 · debian · bookworm; dsa · golang-1.19 · debian · 12
1.19.8-2· all · bookwormAffected
dsa · golang-1.19 · debian · bookworm; dsa · golang-1.19 · debian · 12
- [golang-1.19-go]Affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· amd64 · bookwormAffected
dsa · golang-1.19 · debian · bookworm; dsa · golang-1.19 · debian · 12
1.19.8-2· arm64 · bookwormAffected
dsa · golang-1.19 · debian · bookworm; dsa · golang-1.19 · debian · 12
- [golang-1.19-src]Affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· all · bookwormAffected
dsa · golang-1.19 · debian · bookworm; dsa · golang-1.19 · debian · 12
1.19.8-2· all · bookwormAffected
dsa · golang-1.19 · debian · bookworm; dsa · golang-1.19 · debian · 12
[Debian 13 (Trixie)]
- [golang-1.24]Affected
Details (2)
1.24.4-1· all · trixieAffected
dsa · golang-1.24 · debian · 13
1.24.4-1· all · trixieAffected
dsa · golang-1.24 · debian · 13
- [golang-1.24-doc]Affected
Source package: [golang-1.24]
Details (2)
1.24.4-1· all · trixieAffected
dsa · golang-1.24 · debian · 13
1.24.4-1· all · trixieAffected
dsa · golang-1.24 · debian · 13
- [golang-1.24-go]Affected
Source package: [golang-1.24]
Details (2)
1.24.4-1· amd64 · trixieAffected
dsa · golang-1.24 · debian · 13
1.24.4-1· arm64 · trixieAffected
dsa · golang-1.24 · debian · 13
- [golang-1.24-src]Affected
Source package: [golang-1.24]
Details (2)
1.24.4-1· all · trixieAffected
dsa · golang-1.24 · debian · 13
1.24.4-1· all · trixieAffected
dsa · golang-1.24 · debian · 13
[openSUSE Tumbleweed]
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_12093-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-97031]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-97031]
- [https://osv.dev/vulnerability/GO-2026-6607]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:12246-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-97031]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97031.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3841.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]