CVE-2022-33070

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

Description

Protobuf-c v1.4.0 was discovered to contain an invalid arithmetic shift via the function parse_tag_and_wiretype in protobuf-c/protobuf-c.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via unspecified vectors.

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-2022-33070

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2022-33070.html

OS impact

OSVersionStatusFixed in
arch archfixed1.4.1-1
suse slesaffected
debian debianbookwormfixed1.4.1-1
debian debianbullseyeaffected
debian debianforkyfixed1.4.1-1
debian debiansidfixed1.4.1-1
debian debiantrixiefixed1.4.1-1

References

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