Jasper
CVE-2021-3443
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A local attacker with access to the system could crash the application by dereferencing a null pointer. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
A NULL pointer dereference flaw was found in the way Jasper versions before 2.0.27 handled component references in the JP2 image format decoder. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. A NULL pointer dereference flaw was found in the way Jasper versions before 2.0.27 handled component references in the JP2 image format decoder. A specially crafted JP2 image file could cause an application using the Jasper library to crash when opened. Affected products include: Jasper Project Jasper, Redhat Enterprise Linux, Fedoraproject Fedora. Version information: before 2.0.27.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
A NULL pointer dereference flaw was found in the way Jasper versions before 2.0.27 handled component references in the JP2 image format decoder. A specially crafted JP2 image file could cause an application using the Jasper library to crash when opened.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
Multiple off-by-one errors in the (1) jpc_dec_cp_setfromcox and (2) jpc_dec_cp_setfromrgn functions in jpc/jpc_dec.c in
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, 1.900.16
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, 1.900.16
Double free vulnerability in the jas_iccattrval_destroy function in JasPer 1.900.1 and earlier allows remote attackers t
An issue was discovered in JasPer 2.0.14. Rated high severity (CVSS 7.8), this vulnerability is no authentication requir
There are lots of memory leaks in JasPer 2.0.12, triggered in the function jas_strdup() in base/jas_string.c, that will
Double free vulnerability in the mem_close function in jas_stream.c in JasPer before 1.900.10 allows remote attackers to
Integer overflow in the jpc_dec_tiledecode function in jpc_dec.c in JasPer before 1.900.12 allows remote attackers to ha
Stack-based buffer overflow in the jpc_tsfb_getbands2 function in jpc_tsfb.c in JasPer before 1.900.30 allows remote att
Integer overflow in the jpc_pi_nextcprl function in jpc_t2cod.c in JasPer before 1.900.20 allows remote attackers to hav
There is a reachable assertion abort in the function jpc_dec_process_siz() in jpc/jpc_dec.c:1296 in JasPer 2.0.12 that w
There is a reachable assertion abort in the function jpc_dec_process_siz() in jpc/jpc_dec.c:1297 in JasPer 2.0.12 that w
GitHub PoC
Exploit-DB