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Fencer Vulns
medium 5.5

CVE-2021-27845 json

A Divide-by-zero vulnerability exists in JasPer Image Coding Toolkit 2.0 in jasper/src/libjasper/jpc/jpc_enc.c

published 2021-07-15 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14584

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

A Divide-by-zero vulnerability exists in JasPer Image Coding Toolkit 2.0 in jasper/src/libjasper/jpc/jpc_enc.c

Patch / fix

  • jasper_project jasper 2.0.17
  • jasper SLE Real Time 15 SP2, SLE Module for Desktop Applications 15 SP4, SLE Module for Desktop Applications 15 SP3 +10 more 2.0.14-3.22.1
  • jasper SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.900.14-195.28.1

suse advisories SUSE-SU-2022:0562-2SUSE-SU-2022:0562-1SUSE-SU-2022:0561-1

  • jasper openSUSE Tumbleweed 4.0.0-2.1
  • jasper openSUSE Leap 15.3 2.0.14-3.22.1

opensuse advisories openSUSE-SU-2024:13389-1openSUSE-SU-2022:0562-1

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/jasper-software/jasper/issues/194 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/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.