CVE-2024-24192: robdns commit d76d2e6 was discovered to contain a heap overflow via the component block->filename at /src/zone

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CRITICAL 9.1REMOTEDOWNGRADE

CVE-2024-24192 is a critical-severity flaw (CVSS 9.1) affecting robdns. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

robdns commit d76d2e6 was discovered to contain a heap overflow via the component block->filename at /src/zonefile-insertion.c.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-125, CWE-120
Published	2024-06-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: robertdavidgraham

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

Am I affected?

Timeline

2024-06-06 22:15 UTCPublished CVE record published
2026-06-17 07:14 UTCUpdated Record last modified

robertdavidgraham robdns DOWNGRADE

Affected: 2015-12-09

Fixed in: no fixed release known

Safe to downgrade to: a release before 2015-12-09

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2015-12-09 (Debian / Ubuntu)

apt-cache madison robdns sudo apt install robdns=<VERSION_BEFORE_2015-12-09> sudo apt-mark hold robdns

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

dnf --showduplicates list robdns sudo dnf downgrade robdns-<VERSION_BEFORE_2015-12-09> sudo dnf versionlock add robdns

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-2024-24192?

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

Is CVE-2024-24192 being exploited?

CVE-2024-24192 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-2024-24192 affect?

CVE-2024-24192 affects robdns. Severity is critical (CVSS 9.1). robdns commit d76d2e6 was discovered to contain a heap overflow via the component block->filename at /src/zonefile-insertion.c.

How urgent is CVE-2024-24192?

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

Related CVEs

CVE-2024-24195 HIGH 7.5 DOWNGRADE robdns commit d76d2e6 was discovered to contain a misaligned address at /src/zonefile-insertion.c.

References

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