CVE-2009-1274: Integer overflow in the qt_error parse_trak_atom function in demuxers/demux_qt.c in xine-lib 1.1.16.2 and earl

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MEDIUM 5.0DOWNGRADE

CVE-2009-1274 is a medium-severity flaw (CVSS 5.0) affecting xine-lib. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Integer overflow in the qt_error parse_trak_atom function in demuxers/demux_qt.c in xine-lib 1.1.16.2 and earlier allows remote attackers to execute arbitrary code via a Quicktime movie file with a large count value in an STTS atom, which triggers a heap-based buffer overflow.

Why this priority

EPSS top 8%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	5.1% (top 8%)
CISA exploited list	No
Weakness	CWE-119
Published	2009-04-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: xine

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

Am I affected?

Timeline

2009-04-08 18:30 UTCPublished CVE record published
2026-06-16 23:06 UTCUpdated Record last modified

xine xine-lib DOWNGRADE

Affected: 1.1.0 · 1.1.1 · 1.1.10 · 1.1.10.1 · 1.1.11 · 1.1.11.1 · 1.1.12 · 1.1.13

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

1. Check installed version

apt-cache policy xine-lib || rpm -q xine-lib || xine-lib --version

2. No fixed release: DOWNGRADE to a release before 1.1.0 (Debian / Ubuntu)

apt-cache madison xine-lib sudo apt install xine-lib=<VERSION_BEFORE_1.1.0> sudo apt-mark hold xine-lib

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

dnf --showduplicates list xine-lib sudo dnf downgrade xine-lib-<VERSION_BEFORE_1.1.0> sudo dnf versionlock add xine-lib

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-2009-1274?

xine-lib: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-1274 being exploited?

CVE-2009-1274 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-2009-1274 affect?

CVE-2009-1274 affects xine-lib. Severity is medium (CVSS 5.0). Integer overflow in the qt_error parse_trak_atom function in demuxers/demux_qt.c in xine-lib 1.1.16.2 and earlier allows remote attackers to execute arbitrary code via a Quicktime movie file with a large count value in an STTS atom, which t

How urgent is CVE-2009-1274?

Priority 46/100. EPSS top 8%: very likely to be exploited; Public exploit reference

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References

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