CVE-2024-25398: In Srelay (the SOCKS proxy and Relay) v.0.4.8p3, a specially crafted network payload can trigger a denial of s

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HIGH 7.5REMOTEDOWNGRADE

CVE-2024-25398 is a high-severity flaw (CVSS 7.5) affecting srelay. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Srelay (the SOCKS proxy and Relay) v.0.4.8p3, a specially crafted network payload can trigger a denial of service condition and disrupt the service.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-400
Published	2024-02-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: srelay project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-02-27 16:15 UTCPublished CVE record published
2026-06-17 07:15 UTCUpdated Record last modified

srelay project srelay DOWNGRADE

Affected: 0.4.8 p3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.4.8

1. Check installed version

apt-cache policy srelay || rpm -q srelay || srelay --version

2. No fixed release: DOWNGRADE to a release before 0.4.8 (Debian / Ubuntu)

apt-cache madison srelay sudo apt install srelay=<VERSION_BEFORE_0.4.8> sudo apt-mark hold srelay

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list srelay sudo dnf downgrade srelay-<VERSION_BEFORE_0.4.8> sudo dnf versionlock add srelay

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-25398?

srelay: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-25398 being exploited?

CVE-2024-25398 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-25398 affect?

CVE-2024-25398 affects srelay. Severity is high (CVSS 7.5). In Srelay (the SOCKS proxy and Relay) v.0.4.8p3, a specially crafted network payload can trigger a denial of service condition and disrupt the service.

How urgent is CVE-2024-25398?

Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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