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Vulnerability details: VCID-jda4-t2vu-37du
Vulnerability ID VCID-jda4-t2vu-37du
Aliases CVE-2021-45930
Summary Qt SVG in Qt 5.0.0 through 5.15.2 and 6.0.0 through 6.2.1 has an out-of-bounds write in QtPrivate::QCommonArrayOps<QPainterPath::Element>::growAppend (called from QPainterPath::addPath and QPathClipper::intersect).
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-45930.json
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00122 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00122 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00122 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
epss 0.00122 https://api.first.org/data/v1/epss?cve=CVE-2021-45930
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-45930
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-45930
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-45930.json
https://api.first.org/data/v1/epss?cve=CVE-2021-45930
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37025
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37306
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45930
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-1121.yaml
https://github.com/qt/qtsvg/commit/36cfd9efb9b22b891adee9c48d30202289cfa620
https://github.com/qt/qtsvg/commit/79bb9f51fa374106a612d17c9d98d35d807be670
https://github.com/qt/qtsvg/commit/a3b753c2d077313fc9eb93af547051b956e383fc
https://lists.debian.org/debian-lts-announce/2022/01/msg00020.html
https://lists.debian.org/debian-lts-announce/2022/01/msg00022.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GKOKVCSDZSOWWR3HOW5XUIUJC4MKQY5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZIXNSX7FV733TWTTLY6FHSH3SCNQKKD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V75XNX4GDB64N5BSOAN474RUXXS5OHRU/
1002991 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002991
2037339 https://bugzilla.redhat.com/show_bug.cgi?id=2037339
cpe:2.3:a:qt:qtsvg:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:qt:qtsvg:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2021-45930 https://nvd.nist.gov/vuln/detail/CVE-2021-45930
RHSA-2022:1920 https://access.redhat.com/errata/RHSA-2022:1920
USN-5241-1 https://usn.ubuntu.com/5241-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-45930.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-45930
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-45930
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.24086
EPSS Score 0.00078
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:39:40.628894+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5241-1/ 37.0.0