How severe is CVE-2017-5209?

CVE-2017-5209 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2017-5209 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5209?

CVE-2017-5209 affects Libimobiledevice Libplist. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-5209?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-5209 published?

CVE-2017-5209 was published on 2017-01-11 and last updated on 2026-06-17.

CVE-2017-5209

CVE-2017-5209 is a critical-severity vulnerability in Libimobiledevice Libplist with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Libimobiledevice Libplist
Published: 2017-01-11
Last modified: 2026-06-17

Description

The base64decode function in base64.c in libimobiledevice libplist through 1.12 allows attackers to obtain sensitive information from process memory or cause a denial of service (buffer over-read) via split encoded Apple Property List data.

Frequently asked questions

What is CVE-2017-5209?: The base64decode function in base64.c in libimobiledevice libplist through 1.12 allows attackers to obtain sensitive information from process memory or cause a denial of service (buffer over-read) via split encoded Apple Property List data.
How severe is CVE-2017-5209?: CVE-2017-5209 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2017-5209 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5209?: CVE-2017-5209 affects Libimobiledevice Libplist. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5209?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-5209 published?: CVE-2017-5209 was published on 2017-01-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libimobiledevice:libplist:*:*:*:*:*:*:*:*

More vulnerabilities in Libimobiledevice Libplist

CVE-2017-5545 — Critical (CVSS 9.1): The main function in plistutil.c in libimobiledevice libplist through 1.12 allows attackers to obtain sensitive…
CVE-2017-5836 — High (CVSS 7.5): The plist_free_data function in plist.c in libplist allows attackers to cause a denial of service (crash) via vectors…
CVE-2017-5835 — High (CVSS 7.5): libplist allows attackers to cause a denial of service (large memory allocation and crash) via vectors involving an…
CVE-2015-10082 — Medium (CVSS 5.5): A vulnerability classified as problematic has been found in UIKit0 libplist 1.12. This affects the function…
CVE-2017-7982 — Medium (CVSS 5.5): Integer overflow in the plist_from_bin function in bplist.c in libimobiledevice/libplist before 2017-04-19 allows…
CVE-2017-5834 — Medium (CVSS 5.5): The parse_dict_node function in bplist.c in libplist allows attackers to cause a denial of service (out-of-bounds heap…

All CVEs affecting Libimobiledevice Libplist →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →