CVE-2017-6836 — Heap-based buffer overflow in the Expand3To4Module::run function in libaudiofile

Heap-based buffer overflow in the Expand3To4Module::run function in libaudiofile/modules/SimpleModule.h in Audio File Library (aka audiofile) 0.3.6, 0.3.5, 0.3.4, 0.3.3, 0.3.2, 0.3.1, 0.3.0 allows remote attackers to cause a denial of service (crash) via a crafted file.

01What is this vulnerability?

Heap-based buffer overflow in the Expand3To4Module::run function in libaudiofile/modules/SimpleModule.h in Audio File Library (aka audiofile) 0.3.6, 0.3.5, 0.3.4, 0.3.3, 0.3.2, 0.3.1, 0.3.0 allows remote attackers to cause a denial of service (crash) via a crafted 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: 2017-03-20T16:59:02.890
• Last modified: 2026-05-13T00:24:29.033

09References

• www.debian.org — http://www.debian.org/security/2017/dsa-3814
• www.openwall.com — http://www.openwall.com/lists/oss-security/2017/03/13/8
• blogs.gentoo.org — https://blogs.gentoo.org/ago/2017/02/20/audiofile-heap-based-buffer-overflow-in-…
• github.com — https://github.com/mpruett/audiofile/issues/40
• github.com — https://github.com/mpruett/audiofile/pull/42
• www.debian.org — http://www.debian.org/security/2017/dsa-3814
• www.openwall.com — http://www.openwall.com/lists/oss-security/2017/03/13/8
• blogs.gentoo.org — https://blogs.gentoo.org/ago/2017/02/20/audiofile-heap-based-buffer-overflow-in-…
• github.com — https://github.com/mpruett/audiofile/issues/40
• github.com — https://github.com/mpruett/audiofile/pull/42