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Fencer Vulns
medium 5.5

CVE-2017-11333 json

The vorbis_analysis_wrote function in lib/block.c in Xiph.Org libvorbis 1.3.5 allows remote attackers to cause a denial of service (OOM) vi…

published 2017-07-31 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-2967

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

The vorbis_analysis_wrote function in lib/block.c in Xiph.Org libvorbis 1.3.5 allows remote attackers to cause a denial of service (OOM) via a crafted wav file.

Patch / fix

  • libvorbis Debian 14, Debian 13, Debian 12 1.3.5-4.1

debian advisories DEBIAN-CVE-2017-11333

  • libvorbis Ubuntu 14.04 LTS 1.3.2-1.3ubuntu1.1
  • libvorbis Ubuntu 16.04 LTS 1.3.5-3ubuntu0.1

ubuntu advisories UBUNTU-CVE-2017-11333

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libvorbis Arch Linux 1.3.6-1

arch linux advisories AVG-367

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-11333 updated cvss 3.3

libvorbis: Memory exhaustion in vorbis_analysis_wrote function in lib/block.c

  • Red Hat Enterprise Linux 5 libvorbis Red Hat Enterprise Linux 6 libvorbis Red Hat Enterprise Linux 7 libvorbis
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-42399)
  2. Published

Exploit prediction

4.84% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-42399 libvorbis 1.3.5 - Multiple Vulnerabilities dos, 2017-07-31

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.