Vulnerability Database · Debian · Package report
protobuf: vulnerability history, versions and safety
protobuf is a package in the Debian ecosystem. Vulert records 15 vulnerabilities for it across 59 releases, from Nov -0001 to Apr 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 protobuf i
Updated on 22 Oct 2026
Careful: 9 of the 15 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 9 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 15 over 2026 years · 1 in the last year i
- Latest disclosure 16 Apr 2026 i
- Highest CVSS 8.8 i
- With no published fix 9 i
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01 Versions
Which versions are affected
Every version Vulert holds for protobuf, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.
Newest 59 of 59 versions on record. Severity counts are the vulnerabilities recorded against that exact release.
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. 1 of the 15 were recorded in the last 12 months.
Other ways into the data
03 Vulnerabilities
Recorded vulnerabilities for protobuf
| Vulnerability | Severity | Fixed version ↓ | Disclosed ↓ |
|---|---|---|---|
| Heap-based Buffer Overflow in protobuf | 8.8 high | No fix published | 25 Sep 2017 |
| Denial of Service Vulnerability in Protobuf Package: CVE-2022-3510 | 7.5 high | No fix published | 12 Dec 2022 |
| Denial of Service Vulnerability in Protobuf Package: CVE-2022-3509 | 7.5 high | No fix published | 12 Dec 2022 |
| Denial of Service Vulnerability in Protobuf Package: CVE-2022-3171 | 7.5 high | No fix published | 12 Oct 2022 |
| Denial of Service Vulnerability in Protobuf Package: CVE-2022-1941 | 7.5 high | 3.12.4-1+deb11u1 | 22 Sep 2022 |
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Updated: 22/Oct/2026 · Vulnerabilities in our DB: 524173