CVE-2017-18009

In OpenCV 3.3.1, a heap-based buffer over-read exists in the function cv::HdrDecoder::checkSignature in modules/imgcodecs/src/grfmt_hdr.cpp.

Published: 2018-01-01 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2017-18009 is rated Moderate Risk (60.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.31%). Core evidence: EPSS rose +2.08% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-18009

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.23% 2.31% +2.08%
2 2026-02-09 0.40% 0.23% -0.17%
3 2025-03-30 0.40%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-18009

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-18009

GitHub Security Advisory for CVE-2017-18009

OS Trackers for CVE-2017-18009

vendor priority summary link
debian low CVE-2017-18009 low priority: Debian including 1 source packages (opencv), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-18009
redhat low https://access.redhat.com/security/cve/CVE-2017-18009
ubuntu medium CVE-2017-18009 medium priority: Ubuntu including 1 source packages (opencv), 16 status rows across 16 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, trusty, upstream, xenial, zesty): not-affected 9, ignored 5, released 2. https://ubuntu.com/security/CVE-2017-18009

Affected software / configurations for CVE-2017-18009

Vendor Product Version Raw CPE
opencv opencv 3.3.1 cpe:2.3:a:opencv:opencv:3.3.1:*:*:*:*:*:*:*

References for CVE-2017-18009

URL Tags
http://www.securityfocus.com/bid/106945 Third Party Advisory VDB Entry
https://github.com/opencv/opencv/issues/10479 Issue Tracking Third Party Advisory
cvelogic Threat Intelligence