CVE-2007-6454

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 17%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Heap-based buffer overflow in the handshakeHTTP function in servhs.cpp in PeerCast 0.1217 and earlier, and SVN 344 and earlier, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long SOURCE request.

CVSS v3
—
EG Score
0.0(none)
EPSS
96.7%
KEV
Not listed

Published

December 20, 2007

Last Modified

April 23, 2026

References (32)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 36× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-11 08:22 UTCEPSS rescore
  2. 2026-07-08 15:09 UTCEPSS rescore
  3. 2026-07-06 16:22 UTCEPSS rescore
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  1. 2026-06-19 19:22 UTCEPSS rescore
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  25. 2026-05-31 22:28 UTCEPSS rescore
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  27. 2026-05-31 00:13 UTCEPSS rescore
  28. 2026-05-31 00:13 UTCEPSS rescore
  29. 2026-05-30 23:42 UTCEG score recompute
  30. 2026-05-30 23:42 UTCGHSA enrichment
  31. 2026-05-29 13:40 UTCEPSS rescore
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  39. 2026-05-22 21:15 UTCEPSS rescore
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  41. 2026-05-21 22:38 UTCEPSS rescore
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  44. 2026-05-20 11:20 UTCEPSS rescore
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  46. 2026-05-18 21:29 UTCEPSS rescore
  47. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-30894✓ verified
    First seen Dec 17, 2007

    PeerCast 0.12 - HandshakeHTTP Multiple Buffer Overflow Vulnerabilities

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2007-6454?
CVE-2007-6454 is a none vulnerability published on December 20, 2007. Heap-based buffer overflow in the handshakeHTTP function in servhs.cpp in PeerCast 0.1217 and earlier, and SVN 344 and earlier, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long SOURCE request.
When was CVE-2007-6454 disclosed?
CVE-2007-6454 was first published in the National Vulnerability Database on December 20, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-6454 actively exploited?
CVE-2007-6454 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-6454?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-6454, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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