CVE-2025-10729 | Use-after-free vulnerability in Qt SVG qsvghandler.cpp allows denial of service via crafted SVG

The module will parse a <pattern> node which is not a child of a structural node. The node will be deleted after creation but might be accessed later leading to a use after free.

Published: 2025-10-03 Last update: 2026-06-17 Assigner: a59d8014-47c4-4630-ab43-e1b13cbe58e3 Source: a59d8014-47c4-4630-ab43-e1b13cbe58e3
NVD Status：Deferred，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-10729 is rated Moderate Risk (41.2/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.20%). 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-2025-10729

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 0.01% 0.20% +0.18%
2 2025-10-04 — 0.01% —

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-10729

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.4 4.0 CRITICAL
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:H/U:Red Click to expand
Attack vector (AV:L)
Attacker needs local access on the target system.
Attack complexity (AC:L)
Exploitation conditions are straightforward and stable.
Attack requirements (AT:N)
No additional preconditions are required beyond normal reachability.
Privileges required (PR:N)
No privileges are required.
User interaction (UI:N)
No user interaction is required.
Vulnerable system confidentiality impact (VC:H)
High confidentiality impact on the vulnerable system.
Vulnerable system integrity impact (VI:H)
High integrity impact on the vulnerable system.
Vulnerable system availability impact (VA:H)
High availability impact on the vulnerable system.
Subsequent system confidentiality impact (SC:H)
High confidentiality impact on subsequent systems.
Subsequent system integrity impact (SI:H)
High integrity impact on subsequent systems.
Subsequent system availability impact (SA:H)
High availability impact on subsequent systems.
Exploit maturity (threat) (E:X)
Not defined: no reliable threat intelligence; scoring assumes the worst case (equivalent to Attacked).
Confidentiality requirement (CR:X)
Not defined: insufficient information; scoring treats this like High (worst case).
Integrity requirement (IR:X)
Not defined: insufficient information; scoring treats this like High (worst case).
Availability requirement (AR:X)
Not defined: insufficient information; scoring treats this like High (worst case).
Modified attack vector (MAV:X)
Not defined: scoring uses the Base Attack Vector (AV).
Modified attack complexity (MAC:X)
Not defined: scoring uses the Base Attack Complexity (AC).
Modified attack requirements (MAT:X)
Not defined: scoring uses the Base Attack Requirements (AT).
Modified privileges required (MPR:X)
Not defined: scoring uses the Base Privileges Required (PR).
Modified user interaction (MUI:X)
Not defined: scoring uses the Base User Interaction (UI).
Modified vulnerable system confidentiality impact (MVC:X)
Not defined: scoring uses the Base VC metric.
Modified vulnerable system integrity impact (MVI:X)
Not defined: scoring uses the Base VI metric.
Modified vulnerable system availability impact (MVA:X)
Not defined: scoring uses the Base VA metric.
Modified subsequent system confidentiality impact (MSC:X)
Not defined: scoring uses the Base SC metric.
Modified subsequent system integrity impact (MSI:X)
Not defined: scoring uses the Base SI metric.
Modified subsequent system availability impact (MSA:X)
Not defined: scoring uses the Base SA metric.
Safety (supplemental) (S:P)
Present: impact meets IEC 61508 marginal, critical, or catastrophic safety consequence levels.
Automatable (supplemental) (AU:X)
Not evaluated.
Recovery (supplemental) (R:X)
Not evaluated.
Value density (supplemental) (V:X)
Not evaluated.
Vulnerability response effort (supplemental) (RE:H)
High/significant effort (privileged updates, firmware/microcode, depot repair, or strong scheduling impact).
Provider urgency (supplemental) (U:RED)
Red: provider rates highest urgency.
 — — a59d8014-47c4-4630-ab43-e1b13cbe58e3

Weakness enumeration for CVE-2025-10729

OS Trackers for CVE-2025-10729

vendor priority summary link
debian not yet assigned CVE-2025-10729 not yet assigned priority: Debian including 2 source packages (qt6-svg, qtsvg-opensource-src), 9 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 7, resolved 2. https://security-tracker.debian.org/tracker/CVE-2025-10729
gentoo high CVE-2025-10729: 1 GLSA(s) (202511-03), 1 atom(s) (dev-qt/qtsvg); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2025-10729
redhat high — https://access.redhat.com/security/cve/CVE-2025-10729
suse high CVE-2025-10729 severity important: SUSE including 5 source package names (libQt6Svg6-6.10.0-1.1, libQt6SvgWidgets6-6.10.0-1.1, qt6-svg-devel-6.10.0-1.1, qt6-svg-examples-6.10.0-1.1, qt6-svg-private-devel-6.10.0-1.1), 5 product×package rows across 1 product lines (openSUSE Tumbleweed): Fixed 5. https://www.suse.com/security/cve/CVE-2025-10729/
ubuntu medium CVE-2025-10729 medium priority: Ubuntu including 2 source packages (qt6-svg, qtsvg-opensource-src), 13 status rows across 8 suites (bionic, focal, jammy, noble, plucky, questing, upstream, xenial): needed 6, needs-triage 4, ignored 2, released 1. https://ubuntu.com/security/CVE-2025-10729

Affected software / configurations for CVE-2025-10729

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-10729

cvelogic Threat Intelligence