6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
7.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
51.0%
Debian Security Advisory DSA-4992-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
October 25, 2021 https://www.debian.org/security/faq
Package : php7.4
CVE ID : CVE-2021-21703
Debian Bug : 997003
An out-of-bounds read and write flaw was discovered in the PHP-FPM code,
which could result in escalation of privileges from local unprivileged
user to the root user.
For the stable distribution (bullseye), this problem has been fixed in
version 7.4.25-1+deb11u1.
We recommend that you upgrade your php7.4 packages.
For the detailed security status of php7.4 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/php7.4
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | armhf | libphp7.0-embed | < 7.0.33-0+deb9u12 | libphp7.0-embed_7.0.33-0+deb9u12_armhf.deb |
Debian | 10 | armel | php7.3-gd-dbgsym | < 7.3.31-1~deb10u1 | php7.3-gd-dbgsym_7.3.31-1~deb10u1_armel.deb |
Debian | 10 | i386 | php7.3-json-dbgsym | < 7.3.31-1~deb10u1 | php7.3-json-dbgsym_7.3.31-1~deb10u1_i386.deb |
Debian | 9 | i386 | php7.0-gd | < 7.0.33-0+deb9u12 | php7.0-gd_7.0.33-0+deb9u12_i386.deb |
Debian | 10 | mips | php7.3-interbase | < 7.3.31-1~deb10u1 | php7.3-interbase_7.3.31-1~deb10u1_mips.deb |
Debian | 10 | mipsel | php7.3-mysql | < 7.3.31-1~deb10u1 | php7.3-mysql_7.3.31-1~deb10u1_mipsel.deb |
Debian | 10 | ppc64el | php7.3-sybase-dbgsym | < 7.3.31-1~deb10u1 | php7.3-sybase-dbgsym_7.3.31-1~deb10u1_ppc64el.deb |
Debian | 10 | ppc64el | php7.3-fpm | < 7.3.31-1~deb10u1 | php7.3-fpm_7.3.31-1~deb10u1_ppc64el.deb |
Debian | 11 | mipsel | php7.4-odbc | < 7.4.25-1+deb11u1 | php7.4-odbc_7.4.25-1+deb11u1_mipsel.deb |
Debian | 10 | armhf | php7.3-ldap-dbgsym | < 7.3.31-1~deb10u1 | php7.3-ldap-dbgsym_7.3.31-1~deb10u1_armhf.deb |
6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
7.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
51.0%