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Fencer Intel
medium 6.5

CVE-2018-20622 json

JasPer 2.0.14 has a memory leak in base/jas_malloc.c in libjasper.a when "--output-format jp2" is used.

published 7y ago modified 4mo ago also EUVD-2018-13173

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

JasPer 2.0.14 has a memory leak in base/jas_malloc.c in libjasper.a when "--output-format jp2" is used.

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

Is CVE-2018-20622 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2018-20622 updated cvss 3.3

jasper: memory leak in jpc_dec_decodepkt()

  • Red Hat Enterprise Linux 5 netpbm Red Hat Enterprise Linux 6 jasper, jasper-libs, jasper-utils
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 jasper, jasper-libs, jasper-utils Red Hat Enterprise Linux 8 jasper, jasper-libs
    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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

2.90% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 3.0 6.5 CVSS:3.0/AV:N/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
  • CWE-772 Missing Release of Resource after Effective Lifetime

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.