CVE-2024-24786: google.golang.org/protobuf/encoding/protojson · Improper Validation of Syntactic Correctness of Input
Affects google.golang.org/protobuf/encoding/protojsonSource CVE Database V5
Not known to be exploited · CVSS 7.5 High : upgrade to 1.33.0 soon.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 1.2% chance of exploitation in 30 days – higher than 69% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers can reliably automate steps 1–4 of the kill chain
- Technical impact
- Limited control over the software or limited information exposure
CISA SSVC assessment, 2024-11-07.
- Patch
- Available – fixed in 1.33.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 5 Mar 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade google.golang.org/protobuf/encoding/protojson and google.golang.org/protobuf/internal/encoding/json to 1.33.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| google.golang.org/protobufgoogle.golang.org/protobuf/encoding/protojson | Affected
| Fixed in
|
| google.golang.org/protobufgoogle.golang.org/protobuf/internal/encoding/json | Affected
| Fixed in
|
Gogoogle.golang.org/protobuf/encoding/protojsonpkg:golang/google.golang.org/protobuf/encoding/protojsonOther threats | Affected
| Fixed in
|
Gogoogle.golang.org/protobuf/internal/encoding/jsonpkg:golang/google.golang.org/protobuf/internal/encoding/jsonOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
The protojson.Unmarshal function can enter an infinite loop when unmarshaling certain forms of invalid JSON. This condition can occur when unmarshaling into a message which contains a google.protobuf.Any value, or when the UnmarshalOptions.DiscardUnknown option is set.
References
- go.dev/cl/569356 (opens in a new tab)
- pkg.go.dev/vuln/GO-2024-2611 (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JDMBHAVSDU2FBDZ45U3A2VLSM35OJ2HU/ (opens in a new tab)
- openwall.com/lists/oss-security/2024/03/08/4 (opens in a new tab)
- security.netapp.com/advisory/ntap-20240517-0002/ (opens in a new tab)