CVE-2019-15544 json
Uncontrolled memory consumption in protobuf
published 2019-06-08 7 y ago modified 2026-06-17 4 mo ago also GHSA-mh6h-f25p-98f8 , RUSTSEC-2019-0003 , EUVD-2021-1801
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.8%
- EPSS 3.8% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.
Patch / fix
- crates.io protobuf 1.7.5, 2.6.0
- rust-protobuf_project rust-protobuf 1.7.5, 2.6.0
Exploit prediction
3.76% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | protobuf | <2.6.0 >=0.0.0-0, <1.7.5 >=2.0.0-0, <2.6.0 |
2.6.0 1.7.5 |
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
rustsec.org
/advisories/RUSTSEC-2019-0003.html
web, third-party-advisory, advisory
-
lists.apache.org
/thread.html/r4ef574a5621b0e670a3ce641e9922543e34f22bf4c9ee9584aa67fcf%40%3Cissues.hbase.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/r00097d0b5b6164ea428554007121d5dc1f88ba2af7b9e977a10572cd%40%3Cdev.hbase.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/rd64381fb8f92d640c1975dc50dcdf1b8512e02a2a7b20292d3565cae%40%3Cissues.hbase.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/r7fed8dd9bee494094e7011cf3c2ab75bd8754ea314c6734688c42932%40%3Ccommon-issues.hadoop.apache.org%3E
mailing-list
-
nvd.nist.gov
/vuln/detail/CVE-2019-15544
advisory
-
github.com
/stepancheg/rust-protobuf/issues/411
web, report
-
github.com
/stepancheg/rust-protobuf
package
-
lists.apache.org
/thread.html/r00097d0b5b6164ea428554007121d5dc1f88ba2af7b9e977a10572cd@%3Cdev.hbase.apache.org%3E
web
-
lists.apache.org
/thread.html/r4ef574a5621b0e670a3ce641e9922543e34f22bf4c9ee9584aa67fcf@%3Cissues.hbase.apache.org%3E
web
-
lists.apache.org
/thread.html/r7fed8dd9bee494094e7011cf3c2ab75bd8754ea314c6734688c42932@%3Ccommon-issues.hadoop.apache.org%3E
web
-
lists.apache.org
/thread.html/rd64381fb8f92d640c1975dc50dcdf1b8512e02a2a7b20292d3565cae@%3Cissues.hbase.apache.org%3E
web
-
crates.io
/crates/protobuf
package
Sources
- CVE List CVE-2019-15544
- GitHub Advisory GHSA-mh6h-f25p-98f8
- NVD CVE-2019-15544
- OSV RUSTSEC-2019-0003
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.