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Vulnerability record · CVE-2019-15544 · published 26 August 2019

CVE-2019-15544: Rust-protobuf project rust-protobuf allocation without limits vulnerability

RRust Protobuf Project · Rust Protobuf

An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.

7.5 CVSS 3.1 High EPSS 3.8% · top 10.5% CWE-770 · Allocation without limits
7.5CVSS 3.1 base score, v2 5.0
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread.html/r00097d0b5b6164ea428554007121d5dc1f88ba2af7b9e977a10572cd%40%3Cdev.hbase.apache.org
https://lists.apache.org/thread.html/r4ef574a5621b0e670a3ce641e9922543e34f22bf4c9ee9584aa67fcf%40%3Cissues.hbase.apache.
https://lists.apache.org/thread.html/r7fed8dd9bee494094e7011cf3c2ab75bd8754ea314c6734688c42932%40%3Ccommon-issues.hadoop
https://lists.apache.org/thread.html/rd64381fb8f92d640c1975dc50dcdf1b8512e02a2a7b20292d3565cae%40%3Cissues.hbase.apache.
https://rustsec.org/advisories/RUSTSEC-2019-0003.html Third Party Advisory
https://lists.apache.org/thread.html/r00097d0b5b6164ea428554007121d5dc1f88ba2af7b9e977a10572cd%40%3Cdev.hbase.apache.org
https://lists.apache.org/thread.html/r4ef574a5621b0e670a3ce641e9922543e34f22bf4c9ee9584aa67fcf%40%3Cissues.hbase.apache.
https://lists.apache.org/thread.html/r7fed8dd9bee494094e7011cf3c2ab75bd8754ea314c6734688c42932%40%3Ccommon-issues.hadoop
https://lists.apache.org/thread.html/rd64381fb8f92d640c1975dc50dcdf1b8512e02a2a7b20292d3565cae%40%3Cissues.hbase.apache.
https://rustsec.org/advisories/RUSTSEC-2019-0003.html Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-15544), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.