CVE-2024-23615: A buffer overflow vulnerability exists in Symantec Messaging Gateway versions 10.5 and before

Q: How do I fix CVE-2024-23615?

symantec messaging gateway: upgrade to newer than 10.5. Exact commands for each OS are on this page.

Q: Is CVE-2024-23615 being exploited?

CVE-2024-23615 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-2024-23615 affect?

CVE-2024-23615 affects symantec messaging gateway. Severity is critical (CVSS 10.0). A buffer overflow vulnerability exists in Symantec Messaging Gateway versions 10.5 and before. A remote, anonymous attacker can exploit this vulnerability to achieve remote code execution as root.

Q: How urgent is CVE-2024-23615?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

This week

CRITICAL 10.0REMOTEUPGRADE

CVE-2024-23615 is a critical-severity flaw (CVSS 10.0) affecting symantec messaging gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A buffer overflow vulnerability exists in Symantec Messaging Gateway versions 10.5 and before. A remote, anonymous attacker can exploit this vulnerability to achieve remote code execution as root.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-119, CWE-120
Published	2024-01-26
Last modified	2026-06-17

Publisher (CNA): Exodus Intelligence · Vendor: broadcom

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

Am I affected?

Timeline

2024-01-26 00:15 UTCPublished CVE record published
2026-06-17 07:13 UTCUpdated Record last modified

broadcom symantec messaging gateway UPGRADE

Affected: <= 10.5

Fixed in: newer than 10.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy symantec-messaging-gateway || rpm -q symantec-messaging-gateway || symantec-messaging-gateway --version

2. UPGRADE to newer than 10.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade symantec-messaging-gateway

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade symantec-messaging-gateway

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-2024-23615?

symantec messaging gateway: upgrade to newer than 10.5. Exact commands for each OS are on this page.

Is CVE-2024-23615 being exploited?

CVE-2024-23615 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-2024-23615 affect?

CVE-2024-23615 affects symantec messaging gateway. Severity is critical (CVSS 10.0). A buffer overflow vulnerability exists in Symantec Messaging Gateway versions 10.5 and before. A remote, anonymous attacker can exploit this vulnerability to achieve remote code execution as root.

How urgent is CVE-2024-23615?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Symantec and Broadcom vulnerabilities

Related CVEs

CVE-2024-23614 CRITICAL 10.0 UPGRADE A buffer overflow vulnerability exists in Symantec Messaging Gateway versions 9.5 and before

References

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