Description
An issue was discovered in dvsekhvalnov jose2go 1.5.0 thru 1.7.0 allowing an attacker to cause a Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token with an exceptionally high compression ratio.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | golang-github-dvsekhvalnov-jose2go | 1.9-1 | — |
| Debian 13 | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
| Debian 12 | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
| Ubuntu 26.04 LTS | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
| Ubuntu 25.10 | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
| Ubuntu 24.04 LTS | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
| Ubuntu 22.04 LTS | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
| Ubuntu 18.04 LTS | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
| Ubuntu 16.04 LTS | golang-github-dvsekhvalnov-jose2go | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | amazon-cloudwatch-agent | 1.300070.0-r1 | — |
| Wolfi rolling | argo-events | 1.9.8-r1 | — |
| Wolfi rolling | bento | 1.12.1-r2 | — |
| Wolfi rolling | cluster-api-aws-controller | 2.9.2-r1 | — |
| Wolfi rolling | grafana-alloy | 1.11.3-r2 | — |
| Wolfi rolling | jitsucom-bulker +10 | 2.11.913-r1 | — |
| Wolfi rolling | opentelemetry-collector-contrib +1 | 0.139.0-r1 | — |
| Wolfi rolling | splunk-otel-collector +2 | 0.139.2-r1 | — |
| Wolfi rolling | sql_exporter | 0.18.4-r1 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/dvsekhvalnov/jose2go | < 1.7.0 | 1.7.0 | GHSA-9mj6-hxhv-w67j |
Advisories 1
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026