CVE-2018-14498

Exp

get_8bit_row in rdbmp.c in libjpeg-turbo through 1.5.90 and MozJPEG through 3.3.1 allows attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted 8-bit BMP in which one or more of the color indices is out of range for the number of palette entries.

Published: 2019-03-07 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-14498 is rated High Exploit Risk (73.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.10%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.81% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2018-14498

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-14498

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 0.30% 3.10% +2.81%
2 2026-02-23 0.40% 0.30% -0.10%
3 2025-11-21 — 0.40% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-14498

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
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.
 2.8 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2018-14498

OS Trackers for CVE-2018-14498

vendor priority summary link
alpine medium CVE-2018-14498: 1 source package rows (libjpeg-turbo); 10 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 10. https://security.alpinelinux.org/vuln/CVE-2018-14498
debian low CVE-2018-14498 low priority: Debian including 1 source packages (libjpeg-turbo), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-14498
redhat medium — https://access.redhat.com/security/cve/CVE-2018-14498
suse low CVE-2018-14498 severity low: SUSE including 311 source package names (0.38.1:libjpeg8-8.1.2-5.7.1, 0.45.0.7.7.1:libjpeg8-8.1.2-5.7.1, …), 470 product×package rows across 85 product lines (Container bci/openjdk, Container bci/openjdk-devel, … (85 product lines)): Fixed 239, Known Affected 231. https://www.suse.com/security/cve/CVE-2018-14498/
ubuntu low CVE-2018-14498 low priority: Ubuntu including 1 source packages (libjpeg-turbo), 13 status rows across 13 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, trusty, upstream, xenial): not-affected 8, released 4, ignored 1. https://ubuntu.com/security/CVE-2018-14498

Affected software / configurations for CVE-2018-14498

Vendor Product Version Raw CPE
libjpeg-turbo libjpeg-turbo <= 1.5.90 cpe:2.3:a:libjpeg-turbo:libjpeg-turbo:*:*:*:*:*:*:*:*
mozilla mozjpeg <= 3.3.1 cpe:2.3:a:mozilla:mozjpeg:*:*:*:*:*:*:*:*
fedoraproject fedora 28 cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
opensuse leap 15.0 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*

References for CVE-2018-14498

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00015.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00015.html
https://access.redhat.com/errata/RHSA-2019:2052
https://access.redhat.com/errata/RHSA-2019:3705
https://github.com/libjpeg-turbo/libjpeg-turbo/commit/9c78a04df4e44ef6487eee99c4258397f4fdca55 Patch Third Party Advisory
https://github.com/libjpeg-turbo/libjpeg-turbo/issues/258 Exploit Third Party Advisory
https://github.com/mozilla/mozjpeg/issues/299 Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00021.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00033.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F7YP4QUEYGHI4Q7GIAVFVKWQ7DJMBYLU/
https://usn.ubuntu.com/4190-1/
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