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NVD / CVE Program· CNA mitre

CVE-2016-5301: The parse_chunk_header function in libtorrent before 1.1.1 allows remote attackers to cause a denial of service (crash) via a crafted (1)…

HighCVSS 7.5 · v3.0—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 31/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 2.8% (FIRST EPSS); higher than 86.8% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: libtorrent-rasterbar (Debian:12) 1.1.0-1; libtorrent-rasterbar (Debian:7) 0.15.10-1+deb7u1.

Low priority for now. Upgrade to libtorrent-rasterbar (Debian:12) 1.1.0-1; libtorrent-rasterbar (Debian:7) 0.15.10-1+deb7u1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

The parse_chunk_header function in libtorrent before 1.1.1 allows remote attackers to cause a denial of service (crash) via a crafted (1) HTTP response or possibly a (2) UPnP broadcast.

Published
Jun 30, 2016
Updated
Jun 16, 2026
EPSS
2.8% · 86th percentile

Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.8%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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When you'll hear from us

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  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
opensuseleap
opensuseopensuse
arvidnlibtorrent

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • arvidn libtorrentup to 1.1 inclusive
  • opensuse leap42.1
  • opensuse opensuse13.2

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12libtorrent-rasterbarbefore 1.1.0-11.1.0-1
Debian:7libtorrent-rasterbarbefore 0.15.10-1+deb7u10.15.10-1+deb7u1

Same product

opensuse: all records

Other highest-scoring records for the same primary product.

  • CVE-2016-0749The smartcard interaction in SPICE allows remote attackers to cause a denial of service (QEMU-KVM process crash) or possibly execute…
    42Plan
  • CVE-2015-8863Off-by-one error in the tokenadd function in jv_parse.c in jq allows remote attackers to cause a denial of service (crash) via a long…
    41Plan
  • CVE-2019-18903wicked: Use-after-free when receiving invalid DHCP6 IA_PD option
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2016-3959May 23, 2016 · The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big…
    31Monitor
  • ← EarlierCVE-2016-4414Jun 13, 2016 · The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL…
    31Monitor
  • Later →CVE-2016-5421Aug 10, 2016 · Use-after-free vulnerability in libcurl before 7.50.1 allows attackers to control which connection is used or possibly have unspecified…
    34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:libtorrent-rasterbar1.1.0-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Not on record for this CVE: EPSS history · researcher credit · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

References

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records