CVE-2026-63209
1 advisory.
Go/github.com/klauspost/compress CVE-2026-63209: high 7.5
Compress/s2: Integer Overflow or Wraparound and Out-of-bounds Write in compress
Action: Upgrade github.com/klauspost/compress to 1.18.7 or later.
go get github.com/klauspost/compress@v1.18.7Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.18.7 | - |
Fixed versions
| 1.18.7 |
Sources
- osv: GHSA-259r-337f-4rfw
- https://github.com/klauspost/compress/security/advisories/GHSA-259r-337f-4rfw
- https://nvd.nist.gov/vuln/detail/CVE-2026-63209
- https://github.com/klauspost/compress/pull/1163
- https://github.com/klauspost/compress/commit/539243b8823ee8f03e49969823d57c348c917536
- https://github.com/klauspost/compress/commit/8668e357e776d5152ed62f33c17f21b8690664fa
- https://github.com/klauspost/compress
- https://github.com/klauspost/compress/releases/tag/v1.18.7
CVE-2026-63209 · published · modified · JSON