CVE-2026-42504
HighAdvisory
Published 2 Jun 2026In the index since 5 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.006
- 45th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 4,099
- of 17,813 indexed, latest versions
- Container images
- 4,687
- deployed by those charts
- Fix available
- 1 of 2
- affected packages
Quadratic complexity in WordDecoder.DecodeHeader in mime
Carried by container images the latest versions of 4,099 of 17,813 indexed charts deploy, on 4,687 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
| stdlibgolang | go1.13, go1.13.1, go1.13.3, go1.13.4+183 more | 1.25.11 | 4,687 |
- OSV records
- DEBIAN-CVE-2026-42504GO-2026-5038
- Also known as
- BIT-golang-2026-42504
Charts affected
4,099 by stars
| Chart | Latest | Affected images | Radar Score |
|---|
Container images carrying it
4,687 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| bluenviron/ | 9e39256d1ba3 | stdlib | 1.25.11 | 1 |
| bolkedebruin/ | c0dc0589373a | stdlib | 1.25.11 | 1 |
| bonovoo/ | bb93b68fcd17 | stdlib | 1.25.11 | 1 |
| breton/ | 41b1bb483aa2 | stdlib | 1.25.11 | 1 |
| bsgrigorov/ | 45ab095f09c8 | stdlib | 1.25.11 | 1 |
| btcpayserver/ | e9585b68dc6b | stdlib | 1.25.11 | 1 |
| buddyspencer/ | 6b656f19b0c1 | stdlib | 1.25.11 | 1 |
| buddyspencer/ | 9e7dbf923c12 | stdlib | 1.25.11 | 1 |
| buildkite/ | aec38cfaae0e | stdlib | 1.25.11 | 1 |
| bulich/ | 6d0b780f7c7b | stdlib | 1.25.11 | 1 |
| burganbank/ | 9259c34e4037 | stdlib | 1.25.11 | 1 |
| burningalchemist/ | b8e4757c7def | stdlib | 1.25.11 | 1 |
| bytesafe/ | ee287384c005 | stdlib | 1.25.11 | 1 |
| caarlos0/ | d11dec138900 | stdlib | 1.25.11 | 1 |
| calico/ | cef0c907b8f4 | stdlib | 1.25.11 | 1 |
| calico/ | e486870cfde8 | stdlib | 1.25.11 | 1 |
| calico/ | 8f04e4772a2b | stdlib | 1.25.11 | 1 |
| calico/ | eadb3a25109a | stdlib | 1.25.11 | 1 |
| calico/ | 385bf6391fea | stdlib | 1.25.11 | 1 |
| calico/ | d8c644a8a3ee | stdlib | 1.25.11 | 1 |
| camptocamp/ | acfafc308d88 | stdlib | 1.25.11 | 1 |
| captnbp/ | 1600c5a253e0 | stdlib | 1.25.11 | 1 |
| caroga/ | f3233882b3bd | stdlib | 1.25.11 | 1 |
| casbin/ | 66f836ef778b | stdlib | 1.25.11 | 1 |
| casbin/ | 770ad9ec3190 | stdlib | 1.25.11 | 1 |
| castopod/ | 1fd37280cbb2 | stdlib | 1.25.11 | 1 |
| castopod/ | 4e4f0440520f | stdlib | 1.25.11 | 1 |
| cbeneke/ | dc658078d7ba | stdlib | 1.25.11 | 1 |
| censedata/ | ebfffb9dd4c0 | stdlib | 1.25.11 | 1 |
| cesanta/ | 98e0307e0d2d | stdlib | 1.25.11 | 1 |
| cfcontainerization/ | 82fa261c18a8 | stdlib | 1.25.11 | 1 |
| cfcontainerization/ | 58fb1c173a46 | stdlib | 1.25.11 | 1 |
| cgtysylr/ | aec0f8a38a77 | stdlib | 1.25.11 | 1 |
| chaerr/ | 66833deec017 | stdlib | 1.25.11 | 1 |
| chainflag/ | ac642796bcb6 | stdlib | 1.25.11 | 1 |
| chainsafe/ | 5593f6e97912 | stdlib | 1.25.11 | 1 |
| chainsafe/ | 7b9fe4aa8073 | stdlib | 1.25.11 | 1 |
| chandanteekinavar/ | c96f759b6ce4 | stdlib | 1.25.11 | 1 |
| chaosnative/ | 72ee352bc333 | stdlib | 1.25.11 | 1 |
| chaosnative/ | 62cf6adc355e | stdlib | 1.25.11 | 1 |
| chaosnative/ | e7bcff4a20c0 | stdlib | 1.25.11 | 1 |
| charmcli/ | 39523c1a6ba8 | stdlib | 1.25.11 | 1 |
| checkmk/ | c11b422210c4 | stdlib | 1.25.11 | 1 |
| chibisafe/ | 3da4fcbc1a18 | stdlib | 1.25.11 | 1 |
| chirpstack/ | e0b23dfd24d6 | stdlib | 1.25.11 | 1 |
| chirpstack/ | fb7667fe037f | stdlib | 1.25.11 | 1 |
| chirpstack/ | ce3f2cdca8a9 | stdlib | 1.25.11 | 1 |
| chirpstack/ | c0bbbb7a3f1e | stdlib | 1.25.11 | 1 |
| chirpstack/ | c98d7fe06bce | stdlib | 1.25.11 | 1 |
| chocobozzz/ | 052712130691 | stdlib | 1.25.11 | 1 |