How severe is CVE-2018-9154?

CVE-2018-9154 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-2018-9154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-9154?

CVE-2018-9154 affects Jasper Project Jasper. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-9154?

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-2018-9154 published?

CVE-2018-9154 was published on 2018-05-04 and last updated on 2026-06-17.

CVE-2018-9154

CVE-2018-9154 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Jasper Project Jasper
Published: 2018-05-04
Last modified: 2026-06-17

Description

There is a reachable abort in the function jpc_dec_process_sot in libjasper/jpc/jpc_dec.c of JasPer 2.0.14 that will lead to a remote denial of service attack by triggering an unexpected jas_alloc2 return value, a different vulnerability than CVE-2017-13745.

Frequently asked questions

What is CVE-2018-9154?: There is a reachable abort in the function jpc_dec_process_sot in libjasper/jpc/jpc_dec.c of JasPer 2.0.14 that will lead to a remote denial of service attack by triggering an unexpected jas_alloc2 return value, a different vulnerability than CVE-2017-13745.
How severe is CVE-2018-9154?: CVE-2018-9154 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-2018-9154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-9154?: CVE-2018-9154 affects Jasper Project Jasper. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-9154?: 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-2018-9154 published?: CVE-2018-9154 was published on 2018-05-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jasper_project:jasper:2.0.14:*:*:*:*:*:*:*

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…

All CVEs affecting Jasper Project Jasper →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →