CVE-2018-0510: Buffer overflow in epg search result viewer (kkcald) 0.7.19 and earlier allows remote attackers to perform uni

Q: How do I fix CVE-2018-0510?

kkcald: upgrade to newer than 0.7.19. Exact commands for each OS are on this page.

Q: Is CVE-2018-0510 being exploited?

CVE-2018-0510 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-0510 affect?

CVE-2018-0510 affects kkcald. Severity is critical (CVSS 9.8). Buffer overflow in epg search result viewer (kkcald) 0.7.19 and earlier allows remote attackers to perform unintended operations or execute DoS (denial of service) attacks via unspecified vectors.

Q: How urgent is CVE-2018-0510?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-0510 is a critical-severity flaw (CVSS 9.8) affecting kkcald. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in epg search result viewer (kkcald) 0.7.19 and earlier allows remote attackers to perform unintended operations or execute DoS (denial of service) attacks via unspecified vectors.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-119
Published	2018-02-01
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: kkcald project

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

Am I affected?

Timeline

2018-02-01 14:29 UTCPublished CVE record published
2026-06-17 01:31 UTCUpdated Record last modified

kkcald project kkcald UPGRADE

Affected: <= 0.7.19

Fixed in: newer than 0.7.19

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.7.19 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kkcald

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kkcald

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2018-0510?

kkcald: upgrade to newer than 0.7.19. Exact commands for each OS are on this page.

Is CVE-2018-0510 being exploited?

CVE-2018-0510 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-2018-0510 affect?

CVE-2018-0510 affects kkcald. Severity is critical (CVSS 9.8). Buffer overflow in epg search result viewer (kkcald) 0.7.19 and earlier allows remote attackers to perform unintended operations or execute DoS (denial of service) attacks via unspecified vectors.

How urgent is CVE-2018-0510?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-0509 HIGH 8.8 UPGRADE Cross-site request forgery (CSRF) vulnerability in epg search result viewer (kkcald) 0.7.21 and earlier allows
CVE-2018-0508 MEDIUM 6.1 UPGRADE Cross-site scripting vulnerability in epg search result viewer (kkcald) 0.7.21 and earlier allows an attacker

References

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