CVE-2003-0826: n/a vulnerability

CVE-2003-0826: lsh daemon (lshd) does not properly return from certain functions in (1) read_line.c, (2) channel_commands....

lsh daemon (lshd) does not properly return from certain functions in (1) read_line.c, (2) channel_commands.c, or (3) client_keyexchange.c when long input is provided, which could allow remote attackers to execute arbitrary code via a heap-based buffer overflow attack.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 02:05 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2003-0826 is a remote memory-corruption issue in the lsh SSH daemon. Long input could trigger a heap buffer overflow and potentially allow arbitrary code execution. The source bundle does not provide CVSS data or complete affected-version metadata, but the impact described is severe for any reachable lshd service. Exposure is most likely on legacy systems running lshd, particularly historical lsh 1.4.x deployments referenced by public advisories. Modern environments are unlikely to use lshd, but internet-facing or internal SSH-like services should be inventoried rather than assumed absent. Prioritize remediation if lshd exists on reachable systems, because the stated impact is remote arbitrary code execution. If no lshd deployments are found, close as not applicable with inventory evidence. Mitigation focus: Inventory systems for lshd or legacy lsh packages.; Follow Debian DSA-717 and vendor package guidance for fixed versions.; Disable lshd where it is not business-critical..

Prepared: Jun 30, 2026, 08:29 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 23, 2003, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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