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CVE-2003-0850

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory...

7.5 HighFix available

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory corruption" and possibly execute arbitrary code via "overlarge TCP packets."

Exploit likelihood

3.78%Down 2.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory corruption" and possibly execute arbitrary code via "overlarge TCP packets."

Record
CVE-2003-0850
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory corruption" and possibly execute arbitrary code via "overlarge TCP packets."

Record
CVE-2003-0850
Updated
2026-11-02
EUVDEUVD-2003-0841 No score

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory corruption" and possibly execute arbitrary code via "overlarge TCP packets."

Record
EUVD-2003-0841
Updated
2026-11-03
GitHub AdvisoriesGHSA-r5g5-pgp6-x49m No score

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory...

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory corruption" and possibly execute arbitrary code via "overlarge TCP packets."

Record
GHSA-r5g5-pgp6-x49m
Updated
2026-11-02
OSV No score

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory corruption" and possibly execute arbitrary code via "overlarge TCP packets."

Record
CVE-2003-0850
Updated
2026-11-02
OSVDEBIAN-CVE-2003-0850 No score

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory corruption" and possibly execute arbitrary code via "overlarge TCP packets."

Record
DEBIAN-CVE-2003-0850
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libnids
Debian:12
before 1.18-1
1.18-1
libnids
Debian:13
before 1.18-1
1.18-1
libnids
Debian:14
before 1.18-1
1.18-1
libnids
Debian:3.0
before 1.16-3woody1
1.16-3woody1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-0850 is a high vulnerability (CVSS 7.5) in Rafal Wojtczuk Libnids, published October 25, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.78%, the 89th percentile. Fixed in libnids 1.18-1.

References

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