CVE-2017-7544

Exp

libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.

Published: 2017-09-21 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-7544 is rated High Exploit Risk (73.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.44%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2017-7544

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-7544

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 2026-05-29 0.52% 0.44% -0.08%
2 2026-03-29 0.44% 0.52% +0.08%
3 2025-11-21 — 0.44% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-7544

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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:H)
Serious risk that confidential data gets exposed in a big 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 5.2 [email protected]
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2017-7544

OS Trackers for CVE-2017-7544

vendor priority summary link
alpine — CVE-2017-7544: 1 source package rows (libexif); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 10, open 0. https://security.alpinelinux.org/vuln/CVE-2017-7544
debian not yet assigned CVE-2017-7544 not yet assigned priority: Debian including 1 source packages (libexif), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-7544
redhat low — https://access.redhat.com/security/cve/CVE-2017-7544
suse low CVE-2017-7544 severity low: SUSE including 28 source package names (libexif-0.6.17-2.14.3.1, libexif-32bit-0.6.17-2.14.3.1, …), 116 product×package rows across 64 product lines (HPE Helion OpenStack 8, SUSE Enterprise Storage 5, … (64 product lines)): Fixed 116. https://www.suse.com/security/cve/CVE-2017-7544/
ubuntu low CVE-2017-7544 low priority: Ubuntu including 1 source packages (libexif), 9 status rows across 9 suites (artful, bionic, cosmic, disco, eoan, trusty, upstream, xenial, zesty): ignored 3, not-affected 3, released 2, needs-triage 1. https://ubuntu.com/security/CVE-2017-7544

Affected software / configurations for CVE-2017-7544

Vendor Product Version Raw CPE
libexif_project libexif <= 0.6.21 cpe:2.3:a:libexif_project:libexif:*:*:*:*:*:*:*:*

References for CVE-2017-7544

cvelogic Threat Intelligence