Skip to content
Fencer Intel
medium 5.5

CVE-2017-5503 json

The dec_clnpass function in libjasper/jpc/jpc_t1dec.c in JasPer 1.900.27 allows remote attackers to cause a denial of service (invalid memo…

published 2017-03-01 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14607

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

The dec_clnpass function in libjasper/jpc/jpc_t1dec.c in JasPer 1.900.27 allows remote attackers to cause a denial of service (invalid memory write and crash) or possibly have unspecified other impact via a crafted image.

Patch / fix

  • jasper SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.900.14-195.22.1
  • jasper SLE Module for Package Hub 15 SP1, SLE Module for Desktop Applications 15 SP2, SLE Module for Desktop Applications 15 SP1 +2 more 2.0.14-3.16.1

suse advisories SUSE-SU-2020:2690-1SUSE-SU-2020:2689-1

  • jasper openSUSE Tumbleweed 2.0.33-1.2
  • jasper openSUSE Leap 15.2 2.0.14-lp152.7.3.1
  • jasper openSUSE Leap 15.1 2.0.14-lp151.4.9.1

opensuse advisories openSUSE-SU-2024:10869-1openSUSE-SU-2020:1523-1openSUSE-SU-2020:1517-1

  • jasper Arch Linux 2.0.14-1

arch linux advisories AVG-206

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-2017-5503 updated cvss 4.4

jasper: invalid memory write in dec_clnpass()

  • Red Hat Enterprise Linux 8 jasper, jasper-libs
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 5 netpbm Red Hat Enterprise Linux 6 jasper, jasper-libs, jasper-utils Red Hat Enterprise Linux 7 jasper, jasper-libs, jasper-utils Red Hat Enterprise Virtualization 3 mingw-virt-viewer, mingw32-virt-viewer, mingw64-virt-viewer
    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

1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • blogs.gentoo.org https://blogs.gentoo.org/ago/2017/01/16/jasper-invalid-memory-write-in-dec_clnpass-jpc_t1dec-c/ referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2017/01/16/3 referenced PoC, tagged "exploit" by a source, unverified

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 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.