CVE-2006-2458: Multiple heap-based buffer overflows in Libextractor 0.5.13 and earlier allow remote attackers to execute arbi

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MEDIUM 4.0DOWNGRADE

CVE-2006-2458 is a medium-severity flaw (CVSS 4.0) affecting libextractor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple heap-based buffer overflows in Libextractor 0.5.13 and earlier allow remote attackers to execute arbitrary code via (1) the asf_read_header function in the ASF plugin (plugins/asfextractor.c), and (2) the parse_trak_atom function in the QT plugin (plugins/qtextractor.c).

Why this priority

EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	4.0 (Medium)
EPSS exploit chance	9.0% (top 5%)
CISA exploited list	No
Published	2006-05-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: libextractor

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

Am I affected?

Timeline

2006-05-18 23:02 UTCPublished CVE record published
2026-06-16 22:25 UTCUpdated Record last modified

libextractor libextractor DOWNGRADE

Affected: 0.5.13

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.13

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.5.13 (Debian / Ubuntu)

apt-cache madison libextractor sudo apt install libextractor=<VERSION_BEFORE_0.5.13> sudo apt-mark hold libextractor

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

dnf --showduplicates list libextractor sudo dnf downgrade libextractor-<VERSION_BEFORE_0.5.13> sudo dnf versionlock add libextractor

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: libextractor 0.5.13 - Multiple Heap Overflows (PoC)

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-2006-2458?

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

Is CVE-2006-2458 being exploited?

CVE-2006-2458 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-2006-2458 affect?

CVE-2006-2458 affects libextractor. Severity is medium (CVSS 4.0). Multiple heap-based buffer overflows in Libextractor 0.5.13 and earlier allow remote attackers to execute arbitrary code via (1) the asf_read_header function in the ASF plugin (plugins/asfextractor.c), and (2) the parse_trak_atom function i

How urgent is CVE-2006-2458?

Priority 43/100. EPSS top 5%: very likely to be exploited; Public exploit reference

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CVE-2018-20430 MEDIUM 6.5 UPGRADE MITIGATE GNU Libextractor through 1.8 has an out-of-bounds read vulnerability in the function history_extract() in plug
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References

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