golang-yaml.v2: Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system re...
CVE-2021-4235 is fixed in 3 products on 1 platform, first by golang-gopkg-yaml.v2-dev 0.0+git20170407.0.cd8b52f-1ubuntu2+esm1, released December 27, 2022. It is not reported as exploited. Patch Radar priority: Routine.
Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| golang-gopkg-yaml.v2-dev · Ubuntu 18.04.6 LTS (bionic) | 0.0+git20170407.0.cd8b52f-1ubuntu2+esm1 | golang-gopkg-yaml.v2-dev 0.0+git20170407.0.cd8b52f-1ubuntu2+esm1 | Dec 27, 2022 |
| golang-gopkg-yaml.v2-dev · Ubuntu 20.04 LTS (focal) | 2.2.2-1ubuntu0.1 | golang-gopkg-yaml.v2-dev 2.2.2-1ubuntu0.1 | Dec 27, 2022 |
| golang-yaml.v2 · Debian 12.15 (bookworm) | 2.2.8-1 | DEBIAN-CVE-2021-4235 | Dec 27, 2022 |
| golang-yaml.v2 · Debian 13.5 (trixie) | 2.2.8-1 | DEBIAN-CVE-2021-4235 | Dec 27, 2022 |
| golang-yaml.v2 · Debian 14 | 2.2.8-1 | DEBIAN-CVE-2021-4235 | Dec 27, 2022 |
| golang-yaml.v2-dev · Ubuntu 18.04.6 LTS (bionic) | 0.0+git20170407.0.cd8b52f-1ubuntu2+esm1 | golang-yaml.v2-dev 0.0+git20170407.0.cd8b52f-1ubuntu2+esm1 | Dec 27, 2022 |
| golang-yaml.v2-dev · Ubuntu 20.04 LTS (focal) | 2.2.2-1ubuntu0.1 | golang-yaml.v2-dev 2.2.2-1ubuntu0.1 | Dec 27, 2022 |
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