CVE-2025-3139: A vulnerability was found in code-projects Bus Reservation System 1.0 and classified as critical

Routine

MEDIUM 5.3DOWNGRADE

CVE-2025-3139 is a medium-severity flaw (CVSS 5.3) affecting bus reservation system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in code-projects Bus Reservation System 1.0 and classified as critical. Affected by this issue is the function Login of the component Login Form. The manipulation of the argument Str1 leads to buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-119, CWE-120
Published	2025-04-03
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: fabian

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

Am I affected?

Timeline

2025-04-03 04:15 UTCPublished CVE record published
2026-06-17 09:19 UTCUpdated Record last modified

fabian bus reservation system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy bus-reservation-system || rpm -q bus-reservation-system || bus-reservation-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison bus-reservation-system sudo apt install bus-reservation-system=<VERSION_BEFORE_1.0> sudo apt-mark hold bus-reservation-system

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

dnf --showduplicates list bus-reservation-system sudo dnf downgrade bus-reservation-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add bus-reservation-system

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-2025-3139?

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

Is CVE-2025-3139 being exploited?

CVE-2025-3139 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-2025-3139 affect?

CVE-2025-3139 affects bus reservation system. Severity is medium (CVSS 5.3). A vulnerability was found in code-projects Bus Reservation System 1.0 and classified as critical. Affected by this issue is the function Login of the component Login Form. The manipulation of the argument Str1 leads to buffer overflow. It i

How urgent is CVE-2025-3139?

Priority 23/100. No elevated risk signals yet.

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References

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