CVE-2021-28875

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

Description

In the standard library in Rust before 1.50.0, read_to_end() does not validate the return value from Read in an unsafe context. This bug could lead to a buffer overflow.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-28875

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:3063

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-28875.html

OS impact

OSVersionStatusFixed in
arch archfixed1:1.50.0-1
suse slesaffected
rockylinux rocky8fixed
debian debianbookwormfixed1.53.0+dfsg1-1
debian debianbullseyeaffected
debian debianforkyfixed1.53.0+dfsg1-1
debian debiansidfixed1.53.0+dfsg1-1
debian debiantrixiefixed1.53.0+dfsg1-1

References

Verify integrity in audit chain (admin only). AS-IS.