CVE-2011-3625: Stack-based buffer overflow in the sub_read_line_sami function in subreader.c in MPlayer, as used in SMPlayer

This week

HIGH 9.3MITIGATEDOWNGRADE

CVE-2011-3625 is a high-severity flaw (CVSS 9.3) affecting mplayer2, smplayer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the sub_read_line_sami function in subreader.c in MPlayer, as used in SMPlayer 0.6.9, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long string in a SAMI subtitle file.

Why this priority

Critical severity
EPSS top 2%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	24.1% (top 2%)
CISA exploited list	No
Weakness	CWE-119
Published	2014-06-11
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: mplayer2 · ricardo villalba

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

Am I affected?

Timeline

2014-06-11 14:55 UTCPublished CVE record published
2026-06-16 23:33 UTCUpdated Record last modified

mplayer2 mplayer2 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mplayer2 || rpm -q mplayer2 || mplayer2 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

ricardo villalba smplayer DOWNGRADE

Affected: 0.6.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6.9

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.6.9 (Debian / Ubuntu)

apt-cache madison smplayer sudo apt install smplayer=<VERSION_BEFORE_0.6.9> sudo apt-mark hold smplayer

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

dnf --showduplicates list smplayer sudo dnf downgrade smplayer-<VERSION_BEFORE_0.6.9> sudo dnf versionlock add smplayer

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: MPlayer - '.SAMI' Subtitle File Buffer Overflow (Metasploit)
Metasploit: MPlayer SAMI Subtitle File Buffer Overflow

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-2011-3625?

mplayer2: mitigate or apply the listed mitigation; smplayer: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-3625 being exploited?

CVE-2011-3625 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-2011-3625 affect?

CVE-2011-3625 affects mplayer2, smplayer. Severity is high (CVSS 9.3). Stack-based buffer overflow in the sub_read_line_sami function in subreader.c in MPlayer, as used in SMPlayer 0.6.9, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long string in a SAM

How urgent is CVE-2011-3625?

Priority 62/100. Critical severity; EPSS top 2%: very likely to be exploited; Public exploit reference

References

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