7.5

CVE-2024-24786: Infinite loop in JSON unmarshaling in google.golang.org/protobuf

Deferred
AliasesRHSA-2024:1461RHSA-2024:1874RHSA-2024:2550
Published 05-03-2024Last modified 23-09-2026

Vulnerability summary

CVE-2024-24786 is a high (CVSS 7.5) vulnerability in google.golang.org/protobuf google.golang.org/protobuf/encoding/protojson. EPSS estimates a 1.26% chance of exploitation in the next 30 days, higher than 69.6% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 5 · Downstream 33 · Related 526
CVE-2026-109574CVE-2026-109595CVE-2026-109596CVE-2026-109597CVE-2026-93450CVE-2026-61801

Showing 100 of 533.

Timeline

  1. 05-03-2024
    PublishedVulnerability first disclosed.
  2. 23-09-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

12 scores · 9 sources · 2 versions

EPSS trend

Probability

1.26%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard199 products
  • aactl< 0.4.12-r8
  • actions-runner-controller< 0.8.3-r2
  • actions-runner-controller-compat< 0.8.3-r2
  • amass< 4.2.0-r8
  • apisix-ingress-controller< 2.0.1-r2
Alpine1 product
  • buildah< 1.35.4-r0

2 vendors · 200 products · Showing 200 of 1183

References

136 links
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