Vulnerability Database · Bitnami · Package report
fluent-bit: vulnerability history, versions and safety
fluent-bit is a package in the Bitnami ecosystem. Vulert records 18 vulnerabilities for it across 11 affected ranges, from Mar 2024 to Sep 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.
No patched version yet — these are the ones to plan around.
See the unfixed vulnerabilities →No published version shipped hostile code.
Vulert verdict on fluent-bit i
Updated on 23 Oct 2026
Careful: 2 of the 18 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each. The rest have a fixed version to move to.
What to do: Plan around the 2 vulnerabilities with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →
- Vulnerabilities on record 18 over 2 years · 8 in the last year i
- Latest disclosure 29 Sep 2026 i
- Highest CVSS n/a i
- With no published fix 2 i
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01 Versions
Which versions are affected
Vulert records these vulnerabilities by affected range rather than by individual release, so these are the ranges to check. Filter above to find the version you run.
| Affected range | Vulnerabilities |
|---|---|
| from 0.11.0 up to 5.0.8 (exclusive) | 1 |
| from 4.1.0 up to 4.1.1 (exclusive) | 5 |
| from 3.1.9 up to 3.1.10 (exclusive) | 2 |
| from 2.0.7 up to 3.0.4 (exclusive) | 1 |
| from 2.2.2 up to 2.2.3 (exclusive) | 1 |
| from 2.1.8 up to 2.2.2 (exclusive) | 1 |
| from 1.7.0 up to 1.7.5 (exclusive) | 1 |
| from 1.7.1 up to 1.7.2 (exclusive) | 2 |
| from 1.6.10 up to 1.6.11 (exclusive) | 1 |
| up to 1.6.4 (exclusive) | 1 |
| all releases, no fix published yet | 2 |
02 Disclosure history
How often vulnerabilities are recorded
Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 8 of the 18 were recorded in the last 12 months.
Other ways into the data
03 Vulnerabilities
Recorded vulnerabilities for fluent-bit
| Vulnerability | Severity | Fixed version ↓ | Disclosed ↓ |
|---|---|---|---|
| CVE-2020-35963: Out-of-Bounds Write in Fluent Bit | N/A high | 1.6.4 | 06 Mar 2024 |
| CVE-2021-27186: Vulnerability in Fluent Bit 1.6.10 | N/A high | 1.6.11 | 06 Mar 2024 |
| CVE-2021-36088: Double Free Vulnerability in Fluent Bit | N/A critical | 1.7.5 | 06 Mar 2024 |
| CVE-2021-46878: Vulnerability in Treasure Data Fluent Bit 1.7.1 | N/A high | 1.7.2 | 06 Mar 2024 |
| CVE-2026-61674: Fluent Bit Remote Stack Buffer Overflow in Secure-Forward PONG Handler | N/A critical | 5.0.8 | 29 Sep 2026 |
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Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315
