How severe is CVE-2016-9399?

CVE-2016-9399 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-9399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9399?

CVE-2016-9399 primarily affects Jasper Project Jasper. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9399?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-9399 published?

CVE-2016-9399 was published on 2017-03-23 and last updated on 2026-06-17.

CVE-2016-9399

CVE-2016-9399 is a high-severity vulnerability in Jasper Project Jasper with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-617.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-617
Affected product: Jasper Project Jasper
Published: 2017-03-23
Last modified: 2026-06-17

Description

The calcstepsizes function in jpc_dec.c in JasPer 1.900.22 allows remote attackers to cause a denial of service (assertion failure) via unspecified vectors.

Frequently asked questions

What is CVE-2016-9399?: The calcstepsizes function in jpc_dec.c in JasPer 1.900.22 allows remote attackers to cause a denial of service (assertion failure) via unspecified vectors.
How severe is CVE-2016-9399?: CVE-2016-9399 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-9399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9399?: CVE-2016-9399 primarily affects Jasper Project Jasper. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-9399 published?: CVE-2016-9399 was published on 2017-03-23 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:jasper_project:jasper:1.900.22:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

More vulnerabilities in Jasper Project Jasper

CVE-2008-3522 — Critical (CVSS 10.0): Buffer overflow in the jas_stream_printf function in libjasper/base/jas_stream.c in JasPer 1.900.1 might allow…
CVE-2008-3520 — Critical (CVSS 9.3): Multiple integer overflows in JasPer 1.900.1 might allow context-dependent attackers to have an unknown impact via a…
CVE-2015-8751 — High (CVSS 8.8): Integer overflow in the jas_matrix_create function in JasPer allows context-dependent attackers to have unspecified…
CVE-2018-19541 — High (CVSS 8.8): An issue was discovered in JasPer 1.900.8, 1.900.9, 1.900.10, 1.900.11, 1.900.12, 1.900.13, 1.900.14, 1.900.15,…
CVE-2018-19540 — High (CVSS 8.8): An issue was discovered in JasPer 1.900.8, 1.900.9, 1.900.10, 1.900.11, 1.900.12, 1.900.13, 1.900.14, 1.900.15,…
CVE-2023-51257 — High (CVSS 7.8): An invalid memory write issue in Jasper-Software Jasper v.4.1.1 and before allows a local attacker to execute arbitrary…

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Other CWE-617 (Reachable Assertion) vulnerabilities

CVE-2020-3615 — Critical (CVSS 9.8): Valid deauth/disassoc frames is dropped in case if RMF is enabled and some rouge peer keep on sending rogue…
CVE-2019-9795 — Critical (CVSS 9.8): A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by…
CVE-2026-31739 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The…
CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.

Browse all CWE-617 (Reachable Assertion) vulnerabilities →