Skip to content

GHSA-8r3f-844c-mc37 CVE-2024-24786 GO-2024-2611

Golang protojson.Unmarshal function infinite loop when unmarshaling certain forms of invalid JSON

High Go
Severity
0.0 / 10
High · CVSS 4.0
Exploit chance (EPSS)
1.26%
Chance of exploitation in the next 30 days. Higher than 69.65% of scored vulnerabilities.
Known exploited
No
Not in CISA's catalog
Weakness
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
Fix
Available
3 packages have a fixed version

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.

Affected versions

Go

How to fix

Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.

google.golang.org/protobuf Go → 1.33.0

go
go get google.golang.org/protobuf@v1.33.0 && go mod tidy

google.golang.org/protobuf/encoding/protojson Go → 1.33.0

go
go get google.golang.org/protobuf/encoding/protojson@v1.33.0 && go mod tidy

google.golang.org/protobuf/internal/encoding/json Go → 1.33.0

go
go get google.golang.org/protobuf/internal/encoding/json@v1.33.0 && go mod tidy

Severity breakdown

CVSS 4.0 0.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

Attack vector
Network
Attack complexity
Low
Attack requirements
None
Privileges required
None
User interaction
None
Confidentiality (vulnerable system)
None
Integrity (vulnerable system)
None
Availability (vulnerable system)
High
Confidentiality (subsequent systems)
None
Integrity (subsequent systems)
None
Availability (subsequent systems)
None
Exploit maturity
Unreported

CVSS 3.1 7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Weakness

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

References

Timeline

  1. Published
  2. Last updated by the source
  3. Latest EPSS score
AdvisorySeverityWhy it's related
GHSA-hw7c-3rfg-p46j
google.golang.org/protobuf vulnerable to panic leading to denial of service
High Also affects google.golang.org/protobuf
GHSA-5849-834g-hvw5
pypdf has possible infinite loop when hitting EOF in standard xref table during trailer search
High Same weakness, CWE-835
GHSA-mfr5-77xh-9j7h
pypdf has possible infinite loop when cloning dictionaries
High Same weakness, CWE-835
GHSA-h6cr-wjv9-3cpp
Forge: Denial of Service via infinite loop in BigInteger.modInverse() with negative input (incomplete fix of CVE-2026-33891)
Low Same weakness, CWE-835
GHSA-fw5c-8223-6h42
russh: peer-declared zero maximum packet size permanently stalls channel writes (silent AsyncWrite hang)
Medium Same weakness, CWE-835
EEF-CVE-2026-115269
HTTP/2 WINDOW_UPDATE and SETTINGS frames reset the request body read timeout in Bandit
Not rated yet Same weakness, CWE-835
GHSA-3j72-p6qg-6xp7
Pillow: TarIO negative size field causes infinite CPU-spin loop
Medium Same weakness, CWE-835
GHSA-39mj-jf6j-2qj3
pypdf: Possible infinite loop when hitting EOF in standard xref table
Medium Same weakness, CWE-835
Is this in your code?

MergeHarbor checks every repository's dependencies against this database, ranks what matters by exploitability and reachability, routes it to the owning team and opens the fix pull request.

Check your repos with MergeHarbor