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Fencer Intel
medium 4.3

CVE-2015-4471 json

Off-by-one error in the lzxd_decompress function in lzxd.c in libmspack before 0.5 allows remote attackers to cause a denial of service (bu…

published 2015-06-11 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-4491

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Off-by-one error in the lzxd_decompress function in lzxd.c in libmspack before 0.5 allows remote attackers to cause a denial of service (buffer under-read and application crash) via a crafted CAB archive.

Patch / fix

  • libmspack Debian 14, Debian 13, Debian 12 0.5-1

debian advisories DEBIAN-CVE-2015-4471

  • libmspack Ubuntu Pro 14.04 LTS 0.4-1ubuntu0.1~esm1
  • cabextract Ubuntu Pro 14.04 LTS 1.4-4ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2015-4471

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

  • libmspack SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 0.4-14.4
  • libmspack SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 0.0.20060920alpha-74.10.1
  • cabextract SLED 11 SP4, SLED 11 SP3 1.2-2.12.1

suse advisories SUSE-SU-2016:0011-1SUSE-SU-2015:2215-1SUSE-SU-2015:2131-1

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-2015-4471 updated cvss 5.1

libmspack: off-by-one buffer under-read in mspack/lzxd.c

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

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

Exploit prediction

2.30% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugs.debian.org https://bugs.debian.org/775499 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.