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CVE-2018-8975

20
FAUCET Score

CVE-2018-8975 is a heap-based buffer over-read vulnerability affecting Netpbm through version 10.81.03, specifically within the pm_mallocarray2 function. This flaw can be triggered by remote attackers providing a crafted image file, potentially leading to a denial of service. With a CVSS score of 5.5 (Medium), it requires user interaction (UI:R) and local access (AV:L) to exploit, but has a high impact on availability (A:H). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.81.03CPE matchmatch criteria
cpe:2.3:a:netpbm_project:netpbm:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.72%
Probability of exploitation in next 30 days
EPSS Percentile
75.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0172 is in the 86th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: netpbm
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: netpbm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: netpbm

Vendor Advisories (1)

redhatCVE-2018-8975Low

netpbm: heap-buffer-overflow in pm_mallocarray2 function in lib/util/mallocvar.c

Mar 15, 2018

References

lists.opensuse.org / opensuse-security-announce/2019-04/msg00056.html
github.com / xiaoqx/pocs/blob/master/netpbm
ExploitThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/LVMWVVFEADMA7XIPXFHGSBRYKEGGDFGE
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/VEZRUJ5LNGULJL7QUAHPV5LBOKIJYP5I