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Vulnerability details: VCID-761z-8m2h-aaaq
Vulnerability ID VCID-761z-8m2h-aaaq
Aliases CVE-2019-13224
Summary A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause information disclosure, denial of service, or possibly code execution by providing a crafted regular expression. The attacker provides a pair of a regex pattern and a string, with a multi-byte encoding that gets handled by onig_new_deluxe(). Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-13224.html
rhas Moderate https://access.redhat.com/errata/RHSA-2020:3662
cvssv3 6.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-13224.json
epss 0.00557 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
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epss 0.00557 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
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epss 0.00557 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.00557 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.00630 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
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epss 0.00630 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.01004 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.01004 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.01004 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.01004 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.01418 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.01418 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.01418 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.01418 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.01418 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
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epss 0.01418 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
epss 0.02993 https://api.first.org/data/v1/epss?cve=CVE-2019-13224
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1728970
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11034
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11035
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11036
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11038
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11039
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11040
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11041
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11042
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13224
cvssv3 6.6 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual Medium https://github.com/kkos/oniguruma/commit/0f7f61ed1b7b697e283e37bd2d731d0bd57adb55
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-13224
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2019-13224
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2019-13224
generic_textual Medium https://ubuntu.com/security/notices/USN-4088-1
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-13224.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-13224.json
https://api.first.org/data/v1/epss?cve=CVE-2019-13224
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11034
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11035
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11036
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11038
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11039
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11040
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11041
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11042
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13224
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/kkos/oniguruma/commit/0f7f61ed1b7b697e283e37bd2d731d0bd57adb55
https://lists.debian.org/debian-lts-announce/2019/07/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWCPDTZOIUKGMFAD5NAKUB7FPJFAIQN5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SNL26OZSQRVLEO6JRNUVIMZTICXBNEQW/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWCPDTZOIUKGMFAD5NAKUB7FPJFAIQN5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SNL26OZSQRVLEO6JRNUVIMZTICXBNEQW/
https://security.gentoo.org/glsa/201911-03
https://support.f5.com/csp/article/K00103182
https://support.f5.com/csp/article/K00103182?utm_source=f5support&amp%3Butm_medium=RSS
https://support.f5.com/csp/article/K00103182?utm_source=f5support&utm_medium=RSS
https://ubuntu.com/security/notices/USN-4088-1
https://usn.ubuntu.com/4088-1/
1728970 https://bugzilla.redhat.com/show_bug.cgi?id=1728970
931878 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931878
cpe:2.3:a:oniguruma_project:oniguruma:6.9.2:-:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oniguruma_project:oniguruma:6.9.2:-:*:*:*:*:*:*
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
CVE-2019-13224 https://nvd.nist.gov/vuln/detail/CVE-2019-13224
RHSA-2020:3662 https://access.redhat.com/errata/RHSA-2020:3662
RHSA-2024:0409 https://access.redhat.com/errata/RHSA-2024:0409
RHSA-2024:0572 https://access.redhat.com/errata/RHSA-2024:0572
RHSA-2024:0889 https://access.redhat.com/errata/RHSA-2024:0889
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-13224.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:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/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:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-13224
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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-13224
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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-13224
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 0.65547
EPSS Score 0.00557
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.