GO-2026-6905
UNKNOWNReader.Next parses the 10-byte decimal size field of an archive member header with strconv.ParseInt without rejecting negative values.
Full advisory text at OSV.
go package report
Is github.com/blakesmith/ar safe?
github.com/blakesmith/ar (go) has 1 known vulnerability. No malicious-package signal is recorded.
// reach
0 direct dependencies
none carry a known advisory
56 packages depend on it
an advisory here reaches each of them
Create a free accountfor every dependency path, dependent and what to upgrade
// ai model usage
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so go packages are not covered.
cvss
not scored
severity out of 10
epss
not scored
chance of exploitation in 30 days
xyz score
not scored
CyberXYZ composite out of 10
fig. 01 — GO-2026-6905, the advisory selected below
// 1 advisories
Is github.com/blakesmith/ar safe to install?
CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for github.com/blakesmith/ar (go), and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does github.com/blakesmith/ar have known vulnerabilities?
Yes. CyberXYZ records 1 known vulnerability for github.com/blakesmith/ar (go). They are GO-2026-6905.
How do I check github.com/blakesmith/ar before installing?
Search github.com/blakesmith/ar in CyberXYZ Check at https://cyberxyz.io/check?q=github.com%2Fblakesmith%2Far. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 08:10 UTC. The most recent advisory here was published 2026-11-05. Updated continuously from NVD, GHSA, OSV and CNA feeds.