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CVE-2024-29903

21
FAUCET Score

CVE-2024-29903 is a denial-of-service vulnerability affecting sigstore Cosign versions prior to 2.2.4. Maliciously crafted software artifacts can cause Cosign to allocate excessive memory, leading to a denial of service on the machine running it. This vulnerability has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity and no user interaction, resulting in high availability impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.4CPE matchmatch criteria
cpe:2.3:a:sigstore:cosign:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.2MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.5
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0085 is in the 29th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (16)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/sigstore/cosign/v2Fixed in: 2.2.4
redhatpatch availablevia redhat_api
Product: OpenShift-Pipelines-1.15-RHEL-8Fixed in: openshift-pipelines-client-0:1.15.0-11496.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-central-db-rhel8:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-collector-rhel8:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-collector-slim-rhel8:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-main-rhel8:4.5.0-3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-operator-bundle:4.5.0-3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-rhel8-operator:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-roxctl-rhel8:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-scanner-db-rhel8:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-scanner-db-slim-rhel8:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-scanner-rhel8:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-scanner-slim-rhel8:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-scanner-v4-db-rhel8:4.5.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Security 4.5Fixed in: advanced-cluster-security/rhacs-scanner-v4-rhel8:4.5.0-3
View patch

Vendor Advisories (2)

goGHSA-95pr-fxf5-86gvmedium

Cosign malicious artifacts can cause machine-wide DoS

Apr 11, 2024
redhatCVE-2024-29903Moderate

cosign: Malicious artifects can cause machine-wide denial of service

Apr 10, 2024

References

github.com / sigstore/cosign/blob/14795db16417579fac0c00c11e166868d7976b61/pkg/cosign/verify.go
Product
github.com / sigstore/cosign/blob/286a98a4a99c1b2f32f84b0d560e324100312280/pkg/oci/remote/signatures.go
Product
github.com / sigstore/cosign/commit/629f5f8fa672973503edde75f84dcd984637629e
Patch
github.com / sigstore/cosign/releases/tag/v2.2.4
Release Notes
github.com / sigstore/cosign/security/advisories/GHSA-95pr-fxf5-86gv
ExploitVendor Advisory