CVE-2017-7869

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Published: 2017-04-14 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-7869 is rated Moderate Risk (61.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.84%). EPSS rose +2.14% over the last day, indicating growing attacker interest. 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-2017-7869

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 2026-06-15 0.70% 2.84% +2.14%
2 2025-12-31 0.90% 0.70% -0.20%
3 2025-12-18 — 0.90% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-7869

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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: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: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.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-7869

OS Trackers for CVE-2017-7869

vendor priority summary link
debian not yet assigned CVE-2017-7869 not yet assigned priority: Debian including 1 source packages (gnutls28), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-7869
redhat medium — https://access.redhat.com/security/cve/CVE-2017-7869
suse critical CVE-2017-7869 severity critical: SUSE including 350 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 383 product×package rows across 37 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Desktop 12 SP2, … (37 product lines)): Fixed 222, Known Affected 157, Known Not Affected 4. https://www.suse.com/security/cve/CVE-2017-7869/
ubuntu low CVE-2017-7869 low priority: Ubuntu including 2 source packages (gnutls26, gnutls28), 28 status rows across 14 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, precise, trusty, upstream, xenial, yakkety, zesty): DNE 12, not-affected 8, released 5, ignored 2, needs-triage 1. https://ubuntu.com/security/CVE-2017-7869

Affected software / configurations for CVE-2017-7869

Vendor Product Version Raw CPE
gnu gnutls <= 3.5.9 cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*

References for CVE-2017-7869

cvelogic Threat Intelligence