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CVE-2025-67721

27
FAUCET Score

CVE-2025-67721 describes a medium-severity vulnerability in Aircompressor versions 3.3 and below, affecting its Java-based Snappy and LZ4 decompressor implementations. Remote attackers can exploit incorrect handling of malformed compressed data to read previous buffer contents, potentially leaking sensitive information. The CVSS 4.0 score of 6.3 indicates a network-based attack with low complexity, leading to a low impact on confidentiality. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.3CPE matchmatch criteria
cpe:2.3:a:airlift:aircompressor:*:*:*:*:*:*:*:*
>= 3.0, < 3.4CPE matchmatch criteria
cpe:2.3:a:airlift:aircompressor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.3MEDIUM

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 10th 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 (2)

mavenpatch availablevia ghsa
Product: io.airlift:aircompressor-v3Fixed in: 3.4
mavenpatch availablevia ghsa
Product: io.airlift:aircompressorFixed in: 2.0.3

Vendor Advisories (1)

mavenGHSA-vx9q-rhv9-3jvghigh

aircompressor Snappy and LZ4 Java-based decompressor implementation can leak information from reused output buffer

Dec 12, 2025

References

github.com / airlift/aircompressor/commit/f2b489b398779b40c1ee29ddb11d7edef54ddc15
Patch
github.com / airlift/aircompressor/commit/ff12c4d5757c9d6d1de3d39a10402f1f84f9b765
Patch
github.com / airlift/aircompressor/security/advisories/GHSA-vx9q-rhv9-3jvg
MitigationVendor Advisory