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CVE-2019-15544
An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.
- 7.5HighCVSS base score
- 3.8%Exploitation in 30 daysEPSS · top 10.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.8% · top 10.0% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- crates.ioprotobufGHSA-mh6h-f25p-98f8 (opens in a new tab)
References
References5
- https://rustsec.org/advisories/RUSTSEC-2019-0003.html (opens in a new tab)x_refsource_MISCx_transferred
- [hbase-issues] 20210828 [jira] [Commented] (HBASE-26234) Protobuf-java-2.5.0.jar Has Several Security Vulnerabilities,CVE-2015-5237,CVE-2019-15544 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [hbase-dev] 20210828 [jira] [Created] (HBASE-26234) Protobuf-java-2.5.0.jar Has Several Security Vulnerabilities,CVE-2015-5237,CVE-2019-15544 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [hbase-issues] 20210828 [jira] [Created] (HBASE-26234) Protobuf-java-2.5.0.jar Has Several Security Vulnerabilities,CVE-2015-5237,CVE-2019-15544 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [hadoop-common-issues] 20210902 [jira] [Updated] (HADOOP-17860) Upgrade third party protobuf-java-2.5.0.jar to address vulnerabilities #CVE-2015-5237, CVE-2019-15544 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-1801 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-mh6h-f25p-98f8 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-15544)Record last updated .