CVE-2017-17555 — The swri_audio_convert function in audioconvert

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.

01What is this vulnerability?

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.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-12-12T01:29:00.237
• Last modified: 2026-05-13T00:24:29.033

09References

• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html
• github.com — https://github.com/IvanCql/vulnerability/blob/master/An%20NULL%20pointer%20deref…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html
• github.com — https://github.com/IvanCql/vulnerability/blob/master/An%20NULL%20pointer%20deref…