CVE catalog
CVE-2026-42504
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
- 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
- 0.56% · Oct 25, 2026
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
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 |
| Cpe | golang-1.19 | Not reported | Not reported | vulnerable |
| Go | stdlib | Not reported | 1.25.11 | fixed |
| Go | stdlib | Not reported | 1.26.4 | fixed |
| Opensuse | inspektor-gadget | tumbleweed | 0.53.2-1.1 | 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 |
| Go | stdlib | Go | Not reported | 1.25.11 | Not reported | GO-2026-5038 | Not reported |
| Go | stdlib | Go | Not reported | 1.26.4 | Not reported | GO-2026-5038 | Not reported |
| Opensuse | inspektor-gadget | rpm | tumbleweed | 0.53.2-1.1 | Not reported | OPENSUSE-SU-2026:11056-1 | 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
nvd · golang-1.19 · debian · bookworm; nvd · golang-1.19 · debian · 12
1.19.8-2· all · bookwormAffected
nvd · golang-1.19 · debian · bookworm; nvd · golang-1.19 · debian · 12
- [golang-1.19-doc]Affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· all · bookwormAffected
nvd · golang-1.19 · debian · bookworm; nvd · golang-1.19 · debian · 12
1.19.8-2· all · bookwormAffected
nvd · golang-1.19 · debian · bookworm; nvd · golang-1.19 · debian · 12
- [golang-1.19-go]Affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· amd64 · bookwormAffected
nvd · golang-1.19 · debian · bookworm; nvd · golang-1.19 · debian · 12
1.19.8-2· arm64 · bookwormAffected
nvd · golang-1.19 · debian · bookworm; nvd · golang-1.19 · debian · 12
- [golang-1.19-src]Affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· all · bookwormAffected
nvd · golang-1.19 · debian · bookworm; nvd · golang-1.19 · debian · 12
1.19.8-2· all · bookwormAffected
nvd · golang-1.19 · debian · bookworm; nvd · golang-1.19 · debian · 12
[Debian 13 (Trixie)]
- [golang-1.24]Affected
Details (2)
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
- [golang-1.24-doc]Affected
Source package: [golang-1.24]
Details (2)
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
- [golang-1.24-go]Affected
Source package: [golang-1.24]
Details (2)
1.24.4-1· amd64 · trixieAffected
nvd · golang-1.24 · debian · 13
1.24.4-1· arm64 · trixieAffected
nvd · golang-1.24 · debian · 13
- [golang-1.24-src]Affected
Source package: [golang-1.24]
Details (2)
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
[openSUSE Tumbleweed]
- [inspektor-gadget-bash-completion]Unknown
Source package: [inspektor-gadget]
Details (1)
0.55.1-1.1· noarch · tumbleweedUnknown · Fixed:
0.53.2-1.1Version impact unknown
nvd · inspektor-gadget · opensuse · tumbleweed
- [inspektor-gadget-fish-completion]Unknown
Source package: [inspektor-gadget]
Details (1)
0.55.1-1.1· noarch · tumbleweedUnknown · Fixed:
0.53.2-1.1Version impact unknown
nvd · inspektor-gadget · opensuse · tumbleweed
- [inspektor-gadget-zsh-completion]Unknown
Source package: [inspektor-gadget]
Details (1)
0.55.1-1.1· noarch · tumbleweedUnknown · Fixed:
0.53.2-1.1Version impact unknown
nvd · inspektor-gadget · opensuse · tumbleweed
- [inspektor-gadget]Fixed
Source package: [inspektor-gadget]
Details (1)
0.55.1-1.1· x86_64 · tumbleweedFixed · Fixed:
0.53.2-1.1nvd · inspektor-gadget · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_3102-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-42504]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-42504]
- [https://osv.dev/vulnerability/GO-2026-5038]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11056-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-42504]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42504.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1776.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]