SB2015121409 - Fedora 22 update for pcre
Published: December 14, 2015 Updated: June 28, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 8 vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2015-8383)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to PCRE mishandles certain repeated conditional groups. A remote attacker can cause a denial of service (buffer overflow) or possibly have an unspecified other impact via a crafted regular expression.
2) Buffer overflow (CVE-ID: CVE-2015-8386)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing regular expressions. A remote attacker can trigger memory corruption using a JavaScript RegExp object and execute arbitrary code on the target system.
3) Integer overflow (CVE-ID: CVE-2015-8387)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to PCRE mishandles (?123) subroutine calls and related subroutine calls. A remote attacker can cause a denial of service (integer overflow) or possibly have unspecified other impact via a crafted regular expression.
4) Buffer overflow (CVE-ID: CVE-2015-8389)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
PCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
5) Use of uninitialized resource (CVE-ID: CVE-2015-8390)
CWE-ID: CWE-908 - Use of Uninitialized Resource
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources when processing the [: and \ substrings in character classes. A remote attacker can pass specially crafted data to the application, trigger uninitialized usage of resources and bypass implemented security mechanisms.
6) Buffer overflow (CVE-ID: CVE-2015-8391)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due pcre_compile function in pcre_compile.c in PCRE mishandles certain [: nesting. A remote attacker can cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression.
7) Information disclosure (CVE-ID: CVE-2015-8393)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to pcregrep in PCRE mishandles the -q option for binary files. A remote attacker can gain unauthorized access to sensitive information on the system.
8) Integer overflow (CVE-ID: CVE-2015-8394)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing the (?() and (?(R) conditions. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.