CVE-2021-46879
- Source
- https://cve.org/CVERecord?id=CVE-2021-46879
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-46879.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-46879
- Aliases
- Published
- 2023-04-11T18:15:58Z
- Modified
- 2026-10-16T02:50:58Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in Treasure Data Fluent Bit 1.7.1, a wrong variable is used to get the msgpack data resulting in a heap overflow in flb_msgpack_gelf_value_ext. An attacker can craft a malicious file and tick the victim to open the file with the software, triggering a heap overflow and execute arbitrary code on the target system.
- References
Affected packages
Git / github.com/fluent/fluent-bit
Affected ranges
- Type
- GIT
- Repo
- https://github.com/fluent/fluent-bit
- Events
-
IntroducedLast Affected
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:treasuredata:fluent_bit:1.7.1:*:*:*:*:*:*:*", "range": [ { "introduced": "1.7.1" }, { "last_affected": "1.7.1" } ], "source": "CPE_STRING" } ] }