CVE-2008-3827: Multiple integer underflows in the Real demuxer (demux_real.c) in MPlayer 1.0_rc2 and earlier allow remote att

Q: How do I fix CVE-2008-3827?

mplayer: upgrade to newer than 1.0_rc2. Exact commands for each OS are on this page.

Q: Is CVE-2008-3827 being exploited?

CVE-2008-3827 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-2008-3827 affect?

CVE-2008-3827 affects mplayer. Severity is high (CVSS 9.3). Multiple integer underflows in the Real demuxer (demux_real.c) in MPlayer 1.0_rc2 and earlier allow remote attackers to cause a denial of service (process termination) and possibly execute arbitrary code via a crafted video file that causes

Q: How urgent is CVE-2008-3827?

Priority 57/100. Critical severity; EPSS top 4%: very likely to be exploited

This week

HIGH 9.3UPGRADE

CVE-2008-3827 is a high-severity flaw (CVSS 9.3) affecting mplayer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple integer underflows in the Real demuxer (demux_real.c) in MPlayer 1.0_rc2 and earlier allow remote attackers to cause a denial of service (process termination) and possibly execute arbitrary code via a crafted video file that causes the stream_read function to read or write arbitrary memory.

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	10.9% (top 4%)
CISA exploited list	No
Weakness	CWE-189
Published	2008-09-29
Last modified	2026-06-16

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

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

Am I affected?

Timeline

2008-09-29 19:25 UTCPublished CVE record published
2026-06-16 22:56 UTCUpdated Record last modified

mplayer mplayer UPGRADE

Affected: <= 1.0_rc2 · 0.90 · 0.90_pre · 0.90_rc · 0.90_rc4 · 0.91 · 0.92 · 0.92.1

Fixed in: newer than 1.0_rc2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.0_rc2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mplayer

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-2008-3827?

mplayer: upgrade to newer than 1.0_rc2. Exact commands for each OS are on this page.

Is CVE-2008-3827 being exploited?

CVE-2008-3827 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-2008-3827 affect?

CVE-2008-3827 affects mplayer. Severity is high (CVSS 9.3). Multiple integer underflows in the Real demuxer (demux_real.c) in MPlayer 1.0_rc2 and earlier allow remote attackers to cause a denial of service (process termination) and possibly execute arbitrary code via a crafted video file that causes

How urgent is CVE-2008-3827?

Priority 57/100. Critical severity; EPSS top 4%: very likely to be exploited

Related CVEs

CVE-2022-38866 MEDIUM 5.5 DOWNGRADE DOWNGRADE Certain The MPlayer Project products are vulnerable to Buffer Overflow via read_avi_header() of libmpdemux/avi
CVE-2022-38865 MEDIUM 5.5 DOWNGRADE DOWNGRADE Certain The MPlayer Project products are vulnerable to Divide By Zero via the function demux_avi_read_packet o
CVE-2022-38864 MEDIUM 5.5 DOWNGRADE DOWNGRADE Certain The MPlayer Project products are vulnerable to Buffer Overflow via the function mp_unescape03() of lib
CVE-2022-38863 MEDIUM 5.5 DOWNGRADE DOWNGRADE Certain The MPlayer Project products are vulnerable to Buffer Overflow via function mp_getbits() of libmpdemux
CVE-2022-38862 HIGH 7.8 DOWNGRADE DOWNGRADE Certain The MPlayer Project products are vulnerable to Buffer Overflow via function play() of libaf/af.c:639

References

← Back to latest CVEs