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CVE-2023-34453

22
FAUCET Score

CVE-2023-34453 is a high-severity integer overflow vulnerability in xerial snappy-java versions prior to 1.1.10.1. Unchecked multiplications in the shuffle function can lead to a fatal error, causing a denial of service (DoS) through exceptions like NegativeArraySizeException or ArrayIndexOutOfBoundsException. This vulnerability has a CVSS score of 7.5 and can be exploited remotely with low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1.10.1CPE matchmatch criteria
cpe:2.3:a:xerial:snappy-java:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.71%
Probability of exploitation in next 30 days
EPSS Percentile
74.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0171 is in the 57th percentile among its peer group of 51,506 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 (8)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.xerial.snappy:snappy-javaFixed in: 1.1.10.1
redhatpatch availablevia redhat_api
Product: Red Hat AMQ Streams 2.5.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat build of Quarkus 2.13.9.FinalFixed in: org.xerial.snappy/snappy-java:1.1.10.5-redhat-00001
View patch
redhatend of lifevia redhat_api
Product: OpenShift ServerlessFixed in: snappy-java
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse 6Fixed in: snappy-java-all
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse 6Fixed in: snappy-java-all-repolib
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: snappy-java

Vendor Advisories (2)

mavenGHSA-pqr6-cmr2-h8hfmedium

snappy-java's Integer Overflow vulnerability in shuffle leads to DoS

Jun 15, 2023
redhatCVE-2023-34453Moderate

snappy-java: Integer overflow in shuffle leads to DoS

Jun 15, 2023

References

github.com / xerial/snappy-java/blob/05c39b2ca9b5b7b39611529cc302d3d796329611/src/main/java/org/xerial/snappy/BitShuffle.java
Issue Tracking
github.com / xerial/snappy-java/blob/master/src/main/java/org/xerial/snappy/BitShuffle.java
Issue Tracking
github.com / xerial/snappy-java/commit/820e2e074c58748b41dbd547f4edba9e108ad905
Patch
github.com / xerial/snappy-java/security/advisories/GHSA-pqr6-cmr2-h8hf
ExploitVendor Advisory