CVE-2012-0882: Buffer overflow in yaSSL, as used in MySQL 5.5.20 and possibly other versions including 5.5.x before 5.5.22 an

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HIGH 7.5WATCHLISTDOWNGRADEDOWNGRADE

CVE-2012-0882 is a high-severity flaw (CVSS 7.5) affecting mysql, mysql. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in yaSSL, as used in MySQL 5.5.20 and possibly other versions including 5.5.x before 5.5.22 and 5.1.x before 5.1.62, allows remote attackers to execute arbitrary code via unspecified vectors, as demonstrated by VulnDisco Pack Professional 9.17. NOTE: as of 20120224, this disclosure has no actionable information. However, because the module author is a reliable researcher, the issue is being assigned a CVE identifier for tracking

Why this priority

High severity
EPSS top 7%: very likely to be exploited
On your watchlist

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	5.3% (top 7%)
CISA exploited list	No
Weakness	CWE-119
Published	2012-12-21
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: mysql · oracle

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-12-21 05:46 UTCPublished CVE record published
2026-06-16 23:38 UTCUpdated Record last modified

oracle mysql DOWNGRADE

Affected: 5.5.0 · 5.5.1 · 5.5.2 · 5.5.3 · 5.5.4 · 5.5.5 · 5.5.6 · 5.5.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.1 (Debian / Ubuntu)

apt-cache madison mysql sudo apt install mysql=<VERSION_BEFORE_5.1> sudo apt-mark hold mysql

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

dnf --showduplicates list mysql sudo dnf downgrade mysql-<VERSION_BEFORE_5.1> sudo dnf versionlock add mysql

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.

mysql mysql DOWNGRADE

Affected: 5.1.5 · 5.1.23 · 5.1.31 · 5.1.32 · 5.1.34 · 5.1.37

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.1.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.1.5 (Debian / Ubuntu)

apt-cache madison mysql sudo apt install mysql=<VERSION_BEFORE_5.1.5> sudo apt-mark hold mysql

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

dnf --showduplicates list mysql sudo dnf downgrade mysql-<VERSION_BEFORE_5.1.5> sudo dnf versionlock add mysql

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-2012-0882?

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

Is CVE-2012-0882 being exploited?

CVE-2012-0882 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-2012-0882 affect?

CVE-2012-0882 affects mysql, mysql. Severity is high (CVSS 7.5). Buffer overflow in yaSSL, as used in MySQL 5.5.20 and possibly other versions including 5.5.x before 5.5.22 and 5.1.x before 5.1.62, allows remote attackers to execute arbitrary code via unspecified vectors, as demonstrated by VulnDisco Pac

How urgent is CVE-2012-0882?

Priority 54/100. High severity; EPSS top 7%: very likely to be exploited; On your watchlist

Software pages

MySQL vulnerabilities

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References

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