CVE-2019-12968: A vulnerability was found in the Sonic Robo Blast 2 (SRB2) plugin (EP_Versions 9 to 11 inclusive) distributed

This month

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2019-12968 is a medium-severity flaw (CVSS 5.3) affecting doomseeker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in the Sonic Robo Blast 2 (SRB2) plugin (EP_Versions 9 to 11 inclusive) distributed with Doomseeker 1.1 and 1.2. Affected plugin versions did not discard IP packets with an unnaturally long response length from a Sonic Robo Blast 2 master server, allowing a remote attacker to cause a potential crash / denial of service in Doomseeker. The issue has been remediated in the Doomseeker 1.3 release with source code patches to

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-119
Published	2019-06-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: drdteam

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

Am I affected?

Timeline

2019-06-26 13:15 UTCPublished CVE record published
2026-06-17 02:15 UTCUpdated Record last modified

drdteam doomseeker DOWNGRADE

Affected: 1.1 · 1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison doomseeker sudo apt install doomseeker=<VERSION_BEFORE_1.1> sudo apt-mark hold doomseeker

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

dnf --showduplicates list doomseeker sudo dnf downgrade doomseeker-<VERSION_BEFORE_1.1> sudo dnf versionlock add doomseeker

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-2019-12968?

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

Is CVE-2019-12968 being exploited?

CVE-2019-12968 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-2019-12968 affect?

CVE-2019-12968 affects doomseeker. Severity is medium (CVSS 5.3). A vulnerability was found in the Sonic Robo Blast 2 (SRB2) plugin (EP_Versions 9 to 11 inclusive) distributed with Doomseeker 1.1 and 1.2. Affected plugin versions did not discard IP packets with an unnaturally long response length from a S

How urgent is CVE-2019-12968?

Priority 45/100. Remotely exploitable, no login, no user action

References

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