CVE-2017-6834 [Medium] | Memory Corruption in Audiofile

Heap-based buffer overflow in the ulaw2linear_buf function in G711.cpp 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, 0.2.7 allows remote attackers to cause a denial of service (crash) via a crafted file.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	2.89%	2.61%	-0.28%
2	2026-05-27	4.31%	2.89%	-1.42%
3	2026-04-13	—	4.31%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

2.89%

2.61%

-0.28%

2026-05-27

4.31%

2.89%

-1.42%

2026-04-13

—

4.31%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
5.5	3.1	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. 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.	1.8	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]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

5.5

3.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
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.

1.8

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]

OS Trackers for CVE-2017-6834

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2017-6834 not yet assigned priority: Debian including 1 source packages (audiofile), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2017-6834
`redhat`	low	—	https://access.redhat.com/security/cve/CVE-2017-6834
`suse`	medium	CVE-2017-6834 severity moderate: SUSE including 21 source package names (audiofile-0.2.6-142.17.1, audiofile-0.3.6-10.1, …), 79 product×package rows across 33 product lines (SUSE Linux Enterprise Desktop 12 SP1, SUSE Linux Enterprise Desktop 12 SP2, … (33 product lines)): Fixed 79.	https://www.suse.com/security/cve/CVE-2017-6834/
`ubuntu`	medium	CVE-2017-6834 medium priority: Ubuntu including 1 source packages (audiofile), 5 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): released 5.	https://ubuntu.com/security/CVE-2017-6834

Affected software / configurations for CVE-2017-6834

Vendor	Product	Version	Raw CPE
audiofile	audiofile	0.2.7	cpe:2.3:a:audiofile:audiofile:0.2.7:::::::*
audiofile	audiofile	0.3.0	cpe:2.3:a:audiofile:audiofile:0.3.0:::::::*
audiofile	audiofile	0.3.1	cpe:2.3:a:audiofile:audiofile:0.3.1:::::::*
audiofile	audiofile	0.3.2	cpe:2.3:a:audiofile:audiofile:0.3.2:::::::*
audiofile	audiofile	0.3.3	cpe:2.3:a:audiofile:audiofile:0.3.3:::::::*
audiofile	audiofile	0.3.4	cpe:2.3:a:audiofile:audiofile:0.3.4:::::::*
audiofile	audiofile	0.3.5	cpe:2.3:a:audiofile:audiofile:0.3.5:::::::*
audiofile	audiofile	0.3.6	cpe:2.3:a:audiofile:audiofile:0.3.6:::::::*
debian	debian_linux	8.0	cpe:2.3:o:debian:debian_linux:8.0:::::::*
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*

References for CVE-2017-6834

URL	Tags
http://www.debian.org/security/2017/dsa-3814	Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/03/13/6	Mailing List Third Party Advisory
https://blogs.gentoo.org/ago/2017/02/20/audiofile-heap-based-buffer-overflow-in-ulaw2linear_buf-g711-cpp/	Third Party Advisory VDB Entry
https://github.com/mpruett/audiofile/issues/38	Issue Tracking Patch Third Party Advisory
https://github.com/mpruett/audiofile/pull/42	Issue Tracking Patch Third Party Advisory

URL

CVE-2017-6834

Exploit prediction scoring system (EPSS) score for CVE-2017-6834

Common vulnerability scoring system (CVSS) metrics for CVE-2017-6834

Weakness enumeration for CVE-2017-6834

OS Trackers for CVE-2017-6834

Affected software / configurations for CVE-2017-6834

References for CVE-2017-6834