CVE-2017-17555

The swri_audio_convert function in audioconvert.c in FFmpeg libswresample through 3.0.101, as used in FFmpeg 3.4.1, aubio 0.4.6, and other products, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted audio file.

Published: 2017-12-12 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-17555 is rated Moderate Risk (45.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.36%). 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-2017-17555

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 2025-03-30 0.48% 0.36% -0.12%
2 2025-03-29 0.36% 0.48% +0.12%
3 2025-03-17 — 0.36% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-17555

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-2017-17555

OS Trackers for CVE-2017-17555

vendor priority summary link
debian low CVE-2017-17555 low priority: Debian including 1 source packages (aubio), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-17555
ubuntu low CVE-2017-17555 low priority: Ubuntu including 1 source packages (aubio), 21 status rows across 21 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, zesty): not-affected 14, ignored 3, needed 2, DNE 1, released 1. https://ubuntu.com/security/CVE-2017-17555

Affected software / configurations for CVE-2017-17555

Vendor Product Version Raw CPE
aubio aubio 0.4.6 cpe:2.3:a:aubio:aubio:0.4.6:*:*:*:*:*:*:*
ffmpeg ffmpeg 3.4.1 cpe:2.3:a:ffmpeg:ffmpeg:3.4.1:*:*:*:*:*:*:*
ffmpeg libswresample <= 3.0.101 cpe:2.3:a:ffmpeg:libswresample:*:*:*:*:*:*:*:*

References for CVE-2017-17555

cvelogic Threat Intelligence