MEDIUM
CVE-2018-18873
CWE-476Published: October 31, 2018· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
An issue was discovered in JasPer 2.0.14. There is a NULL pointer dereference in the function ras_putdatastd in ras/ras_enc.c.
Technical Analysis
CVE-2018-18873 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Vendors & Products
Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
jasper_project1 product(s)
jasper
SUSE2 product(s)
linux enterprise desktoplinux enterprise server
Source: NVD CPE · 7 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (12)
→
https://github.com/mdadams/jasper/issues/184Exploit · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2019/01/msg00003.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/201908-03Third Party Advisory
→
https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
→
https://github.com/mdadams/jasper/issues/184Exploit · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2019/01/msg00003.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/201908-03Third Party Advisory
→
https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
Quick Facts
CVE IDCVE-2018-18873
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-476
CISA KEVNo
Affected4 vendor(s)
PublishedOct 31, 2018
Related CVEs (CWE-476)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-18873 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.