CVE-2017-6886 [Critical] | Memory Corruption in Libraw

CVE-2017-6886 is rated High Risk (71.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.36%). EPSS rose +1.79% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	1.57%	3.36%	+1.79%
2	2026-05-27	0.58%	1.57%	+0.99%
3	2025-11-21	—	0.58%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

1.57%

3.36%

+1.79%

2026-05-27

0.58%

1.57%

+0.99%

2025-11-21

—

0.58%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.8	3.0	CRITICAL	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	5.9	[email protected]
7.5	2.0	HIGH	`AV:N/AC:L/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	10.0	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.8

3.0

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

5.9

[email protected]

7.5

2.0

HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

6.4

[email protected]

OS Trackers for CVE-2017-6886

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2017-6886 not yet assigned priority: Debian including 1 source packages (libraw), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2017-6886
`redhat`	low	—	https://access.redhat.com/security/cve/CVE-2017-6886
`suse`	medium	CVE-2017-6886 severity moderate: SUSE including 27 source package names (libraw-devel-0.15.4-21.1, libraw-devel-0.15.4-9.2, …), 44 product×package rows across 26 product lines (SUSE Linux Enterprise Desktop 12 SP2, SUSE Linux Enterprise Desktop 12 SP3, … (26 product lines)): Fixed 44.	https://www.suse.com/security/cve/CVE-2017-6886/
`ubuntu`	low	CVE-2017-6886 low priority: Ubuntu including 12 source packages (darktable, dcraw, …), 264 status rows across 22 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, yakkety, zesty): ignored 97, DNE 81, not-affected 54, needs-triage 21, needed 7, released 4.	https://ubuntu.com/security/CVE-2017-6886

Affected software / configurations for CVE-2017-6886

Vendor	Product	Version	Raw CPE
libraw	libraw	<= 0.18.1	cpe:2.3:a:libraw:libraw::::::::

References for CVE-2017-6886

URL	Tags
http://www.debian.org/security/2017/dsa-3950
http://www.securityfocus.com/bid/98605	Third Party Advisory VDB Entry
https://github.com/LibRaw/LibRaw/commit/d7c3d2cb460be10a3ea7b32e9443a83c243b2251	Patch Third Party Advisory
https://secuniaresearch.flexerasoftware.com/advisories/75737/	Permissions Required Third Party Advisory
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-5/	Permissions Required Third Party Advisory

URL

CVE-2017-6886

Exploit prediction scoring system (EPSS) score for CVE-2017-6886

Common vulnerability scoring system (CVSS) metrics for CVE-2017-6886

Weakness enumeration for CVE-2017-6886

OS Trackers for CVE-2017-6886

Affected software / configurations for CVE-2017-6886

References for CVE-2017-6886