CVE-2016-1246: Buffer overflow in the DBD::mysql module before 4.037 for Perl allows context-dependent attackers to cause a d

Q: How do I fix CVE-2016-1246?

dbd-mysql: upgrade to newer than 4.036; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2016-1246 being exploited?

CVE-2016-1246 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-2016-1246 affect?

CVE-2016-1246 affects dbd-mysql, debian linux. Severity is high (CVSS 7.5). Buffer overflow in the DBD::mysql module before 4.037 for Perl allows context-dependent attackers to cause a denial of service (crash) via vectors related to an error message.

Q: How urgent is CVE-2016-1246?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Remotely exploitable, no login, no user action; On your watchlist

This month

HIGH 7.5REMOTEWATCHLISTUPGRADEMITIGATE

CVE-2016-1246 is a high-severity flaw (CVSS 7.5) affecting dbd-mysql, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the DBD::mysql module before 4.037 for Perl allows context-dependent attackers to cause a denial of service (crash) via vectors related to an error message.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Weakness	CWE-119
Published	2016-10-05
Last modified	2026-06-17

Publisher (CNA): Debian GNU/Linux · Vendor: dbd-mysql project · debian

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

Am I affected?

Timeline

2016-10-05 16:59 UTCPublished CVE record published
2026-06-17 00:41 UTCUpdated Record last modified

dbd-mysql project dbd-mysql UPGRADE

Affected: <= 4.036

Fixed in: newer than 4.036

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dbd-mysql || rpm -q dbd-mysql || dbd-mysql --version

2. UPGRADE to newer than 4.036 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dbd-mysql

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dbd-mysql

Note

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

debian debian linux MITIGATE

Affected: 8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2016-1246?

dbd-mysql: upgrade to newer than 4.036; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-1246 being exploited?

CVE-2016-1246 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-2016-1246 affect?

CVE-2016-1246 affects dbd-mysql, debian linux. Severity is high (CVSS 7.5). Buffer overflow in the DBD::mysql module before 4.037 for Perl allows context-dependent attackers to cause a denial of service (crash) via vectors related to an error message.

How urgent is CVE-2016-1246?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Remotely exploitable, no login, no user action; On your watchlist

Software pages

MySQL vulnerabilities · Debian vulnerabilities · Perl vulnerabilities

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References

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