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CVE-2017-17813

20
FAUCET Score

CVE-2017-17813 describes a use-after-free vulnerability in Netwide Assembler (NASM) version 2.14rc0, specifically within the pp_list_one_macro function in asm/preproc.c, which can lead to a remote denial of service. This medium-severity vulnerability (CVSS 5.5) requires user interaction and local access, with the primary impact being high availability loss. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.14CPE matchmatch criteria
cpe:2.3:a:nasm:netwide_assembler:2.14:rc0:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

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
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 75th percentile among its peer group of 5,760 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)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: nasm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: nasm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: nasm

Vendor Advisories (1)

redhatCVE-2017-17813Low

nasm: use-after-free in pp_list_one_macro function in asm/preproc.c

Dec 21, 2017

References

bugzilla.nasm.us / show_bug.cgi
ExploitIssue TrackingVendor Advisory
usn.ubuntu.com / 3694-1
Third Party Advisory