usn-5425-1
Vulnerability from osv_ubuntu
Published
2022-05-17 15:31
Modified
2026-06-29 10:52
Summary
pcre3 vulnerabilities
Details
Yunho Kim discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker could possibly use this issue to cause applications using PCRE to expose sensitive information. This issue only affects Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 21.10 and Ubuntu 22.04 LTS. (CVE-2019-20838)
It was discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker could possibly use this issue to cause applications using PCRE to have unexpected behavior. This issue only affects Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-14155)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-14155",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "negligible",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libpcre3",
"binary_version": "1:8.31-2ubuntu2.3+esm1"
},
{
"binary_name": "libpcrecpp0",
"binary_version": "1:8.31-2ubuntu2.3+esm1"
},
{
"binary_name": "pcregrep",
"binary_version": "1:8.31-2ubuntu2.3+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "pcre3",
"purl": "pkg:deb/ubuntu/pcre3@1:8.31-2ubuntu2.3+esm1?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:8.31-2ubuntu2.3+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:8.31-2",
"1:8.31-2ubuntu2",
"1:8.31-2ubuntu2.1",
"1:8.31-2ubuntu2.2",
"1:8.31-2ubuntu2.3"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-14155",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "negligible",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libpcre16-3",
"binary_version": "2:8.38-3.1ubuntu0.1~esm1"
},
{
"binary_name": "libpcre3",
"binary_version": "2:8.38-3.1ubuntu0.1~esm1"
},
{
"binary_name": "libpcre32-3",
"binary_version": "2:8.38-3.1ubuntu0.1~esm1"
},
{
"binary_name": "libpcrecpp0v5",
"binary_version": "2:8.38-3.1ubuntu0.1~esm1"
},
{
"binary_name": "pcregrep",
"binary_version": "2:8.38-3.1ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "pcre3",
"purl": "pkg:deb/ubuntu/pcre3@2:8.38-3.1ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:8.38-3.1ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:8.35-7.1ubuntu1",
"2:8.38-1ubuntu1",
"2:8.38-3",
"2:8.38-3.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2019-20838",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-14155",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "negligible",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libpcre16-3",
"binary_version": "2:8.39-9ubuntu0.1"
},
{
"binary_name": "libpcre3",
"binary_version": "2:8.39-9ubuntu0.1"
},
{
"binary_name": "libpcre32-3",
"binary_version": "2:8.39-9ubuntu0.1"
},
{
"binary_name": "libpcrecpp0v5",
"binary_version": "2:8.39-9ubuntu0.1"
},
{
"binary_name": "pcregrep",
"binary_version": "2:8.39-9ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "pcre3",
"purl": "pkg:deb/ubuntu/pcre3@2:8.39-9ubuntu0.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:8.39-9ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:8.39-5ubuntu3",
"2:8.39-8",
"2:8.39-9"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2019-20838",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-14155",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "negligible",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libpcre16-3",
"binary_version": "2:8.39-12ubuntu0.1"
},
{
"binary_name": "libpcre3",
"binary_version": "2:8.39-12ubuntu0.1"
},
{
"binary_name": "libpcre32-3",
"binary_version": "2:8.39-12ubuntu0.1"
},
{
"binary_name": "libpcrecpp0v5",
"binary_version": "2:8.39-12ubuntu0.1"
},
{
"binary_name": "pcregrep",
"binary_version": "2:8.39-12ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "pcre3",
"purl": "pkg:deb/ubuntu/pcre3@2:8.39-12ubuntu0.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:8.39-12ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:8.39-12",
"2:8.39-12build1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2019-20838",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libpcre16-3",
"binary_version": "2:8.39-13ubuntu0.22.04.1"
},
{
"binary_name": "libpcre3",
"binary_version": "2:8.39-13ubuntu0.22.04.1"
},
{
"binary_name": "libpcre32-3",
"binary_version": "2:8.39-13ubuntu0.22.04.1"
},
{
"binary_name": "libpcrecpp0v5",
"binary_version": "2:8.39-13ubuntu0.22.04.1"
},
{
"binary_name": "pcregrep",
"binary_version": "2:8.39-13ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "pcre3",
"purl": "pkg:deb/ubuntu/pcre3@2:8.39-13ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:8.39-13ubuntu0.22.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:8.39-13build3",
"2:8.39-13build4",
"2:8.39-13build5"
]
}
],
"aliases": [],
"details": "Yunho Kim discovered that PCRE incorrectly handled memory when \nhandling certain regular expressions. An attacker could possibly use\nthis issue to cause applications using PCRE to expose sensitive\ninformation. This issue only affects Ubuntu 18.04 LTS, \nUbuntu 20.04 LTS, Ubuntu 21.10 and Ubuntu 22.04 LTS. (CVE-2019-20838)\n\nIt was discovered that PCRE incorrectly handled memory when \nhandling certain regular expressions. An attacker could possibly use\nthis issue to cause applications using PCRE to have unexpected \nbehavior. This issue only affects Ubuntu 14.04 ESM, Ubuntu 16.04 ESM,\nUbuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-14155)\n",
"id": "USN-5425-1",
"modified": "2026-06-29T10:52:55Z",
"published": "2022-05-17T15:31:52Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5425-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-20838"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-14155"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "pcre3 vulnerabilities",
"upstream": [
"UBUNTU-CVE-2019-20838",
"UBUNTU-CVE-2020-14155"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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