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Vendor: Canonical • 4,120 CVEs

CVEs (4,120)

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CVSS
6Canonical
DebianMozilla+3 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
Apr 29, 2026
Aug 29, 2012
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in the nsHTMLEditor::CollapseAdjacentTextNodes function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMon...Show more
Use-after-free vulnerability in the nsHTMLEditor::CollapseAdjacentTextNodes function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.Show less
6Canonical
DebianMozilla+3 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
Apr 29, 2026
Aug 29, 2012
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remo...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
3Canonical
DebianPython
3Debian Linux
PythonUbuntu Linux
Apr 29, 2026
Aug 14, 2012
N/A· v4
N/A· v3
6.4 MEDIUM· v2
The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive information (process me...Show more
The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive information (process memory) or cause a denial of service (memory corruption and crash) via unspecified vectors.Show less
5Canonical
DebianLibpng+2 more
5Debian Linux
LibpngLibpng+2 more
Apr 29, 2026
Aug 13, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds read) via...Show more
The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds read) via a large avail_in field value in a PNG image.Show less
2Canonical
Debian
4Debian Linux
Php5Php5 Common+1 more
Apr 29, 2026
Aug 7, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The Debian php_crypt_revamped.patch patch for PHP 5.3.x, as used in the php5 package before 5.3.3-7+squeeze4 in Debian GNU/Linux squeeze, the php5 package before 5.3.2-1ubuntu4.17 in Ubuntu 10.04 LTS, and the php5 packag...Show more
The Debian php_crypt_revamped.patch patch for PHP 5.3.x, as used in the php5 package before 5.3.3-7+squeeze4 in Debian GNU/Linux squeeze, the php5 package before 5.3.2-1ubuntu4.17 in Ubuntu 10.04 LTS, and the php5 package before 5.3.5-1ubuntu7.10 in Ubuntu 11.04, does not properly handle an empty salt string, which might allow remote attackers to bypass authentication by leveraging an application that relies on the PHP crypt function to choose a salt for password hashing.Show less
5Apache
CanonicalDebian+2 more
11Debian Linux
Enterprise LinuxEnterprise Linux Desktop+8 more
Apr 29, 2026
Aug 6, 2012
N/A· v4
N/A· v3
7.5 HIGH· v2
Multiple heap-based buffer overflows in the XML manifest encryption tag parsing functionality in OpenOffice.org and LibreOffice before 3.5.5 allow remote attackers to cause a denial of service and possibly execute arbitr...Show more
Multiple heap-based buffer overflows in the XML manifest encryption tag parsing functionality in OpenOffice.org and LibreOffice before 3.5.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted Open Document Text (.odt) file with (1) a child tag within an incorrect parent tag, (2) duplicate tags, or (3) a Base64 ChecksumAttribute whose length is not evenly divisible by four.Show less
6Canonical
DebianOpensuse+3 more
8Debian Linux
Linux Enterprise DesktopLinux Enterprise Server+5 more
Apr 29, 2026
Aug 6, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Req...Show more
lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.Show less
3Canonical
DebianIsc
3Debian Linux
DhcpUbuntu Linux
Apr 29, 2026
Jul 25, 2012
N/A· v4
N/A· v3
3.3 LOW· v2
Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests.
3Canonical
DebianIsc
3Debian Linux
DhcpUbuntu Linux
Apr 29, 2026
Jul 25, 2012
N/A· v4
N/A· v3
6.1 MEDIUM· v2
ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.
6Canonical
DebianLibexpat Project+3 more
11Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+8 more
Apr 29, 2026
Jul 3, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU co...Show more
The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.Show less
1Canonical
1Ubuntu Linux
Apr 29, 2026
Jun 19, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The Apport hook (DistUpgradeApport.py) in Update Manager, as used by Ubuntu 12.04 LTS, 11.10, and 11.04, uploads the /var/log/dist-upgrade directory when reporting bugs to Launchpad, which allows remote attackers to read...Show more
The Apport hook (DistUpgradeApport.py) in Update Manager, as used by Ubuntu 12.04 LTS, 11.10, and 11.04, uploads the /var/log/dist-upgrade directory when reporting bugs to Launchpad, which allows remote attackers to read repository credentials by viewing a public bug report. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0949.Show less
1Canonical
1Ubuntu Linux
Apr 29, 2026
Jun 16, 2012
N/A· v4
N/A· v3
7.5 HIGH· v2
The Ubuntu One Client for Ubuntu 10.04 LTS, 11.04, 11.10, and 12.04 LTS does not properly validate SSL certificates, which allows remote attackers to spoof a server and modify or read sensitive information via a man-in-t...Show more
The Ubuntu One Client for Ubuntu 10.04 LTS, 11.04, 11.10, and 12.04 LTS does not properly validate SSL certificates, which allows remote attackers to spoof a server and modify or read sensitive information via a man-in-the-middle (MITM) attack.Show less
1Canonical
1Ubuntu Linux
Apr 29, 2026
Jun 16, 2012
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The Single Sign On Client (ubuntu-sso-client) for Ubuntu 11.04 and 11.10 does not properly validate SSL certificates when using HTTPS, which allows remote attackers to spoof a server and modify or read sensitive data via...Show more
The Single Sign On Client (ubuntu-sso-client) for Ubuntu 11.04 and 11.10 does not properly validate SSL certificates when using HTTPS, which allows remote attackers to spoof a server and modify or read sensitive data via a man-in-the-middle (MITM) attack.Show less
5Canonical
GnomeOpensuse+2 more
8Enterprise Linux Desktop
Enterprise Linux EusEnterprise Linux Server+5 more
Apr 29, 2026
Jun 16, 2012
N/A· v4
N/A· v3
9.3 HIGH· v2
Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly exec...Show more
Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file.Show less
2Canonical
Gnome
2Ubuntu Linux
Update Manager Core
Apr 29, 2026
Jun 7, 2012
N/A· v4
N/A· v3
2.1 LOW· v2
DistUpgrade/DistUpgradeMain.py in Update Manager, as used by Ubuntu 12.04 LTS, 11.10, and 11.04, uses weak permissions for (1) apt-clone_system_state.tar.gz and (2) system_state.tar.gz, which allows local users to obtain...Show more
DistUpgrade/DistUpgradeMain.py in Update Manager, as used by Ubuntu 12.04 LTS, 11.10, and 11.04, uses weak permissions for (1) apt-clone_system_state.tar.gz and (2) system_state.tar.gz, which allows local users to obtain repository credentials.Show less
4Canonical
DebianImagemagick+1 more
4Debian Linux
ImagemagickOpensuse+1 more
Apr 29, 2026
Jun 5, 2012
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Integer overflow in the GetEXIFProperty function in magick/property.c in ImageMagick before 6.7.6-4 allows remote attackers to cause a denial of service (out-of-bounds read) via a large component count for certain EXIF t...Show more
Integer overflow in the GetEXIFProperty function in magick/property.c in ImageMagick before 6.7.6-4 allows remote attackers to cause a denial of service (out-of-bounds read) via a large component count for certain EXIF tags in a JPEG image. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0259.Show less
4Canonical
DebianImagemagick+1 more
4Debian Linux
ImagemagickOpensuse+1 more
Apr 29, 2026
Jun 5, 2012
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
Integer overflow in the SyncImageProfiles function in profile.c in ImageMagick 6.7.5-8 and earlier allows remote attackers to cause a denial of service (infinite loop) via crafted IOP tag offsets in the IFD in an image....Show more
Integer overflow in the SyncImageProfiles function in profile.c in ImageMagick 6.7.5-8 and earlier allows remote attackers to cause a denial of service (infinite loop) via crafted IOP tag offsets in the IFD in an image. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0248.Show less
4Canonical
DebianImagemagick+1 more
4Debian Linux
ImagemagickOpensuse+1 more
Apr 29, 2026
Jun 5, 2012
N/A· v4
7.8 HIGH· v3
6.8 MEDIUM· v2
Multiple integer overflows in (1) magick/profile.c or (2) magick/property.c in ImageMagick 6.7.5 and earlier allow remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via...Show more
Multiple integer overflows in (1) magick/profile.c or (2) magick/property.c in ImageMagick 6.7.5 and earlier allow remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via crafted offset value in the ResolutionUnit tag in the EXIF IFD0 of an image. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0247.Show less
5Canonical
DebianImagemagick+2 more
11Debian Linux
Enterprise Linux AusEnterprise Linux Desktop+8 more
Apr 29, 2026
Jun 5, 2012
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
The JPEGWarningHandler function in coders/jpeg.c in ImageMagick before 6.7.6-3 allows remote attackers to cause a denial of service (memory consumption) via a JPEG image with a crafted sequence of restart markers.
4Canonical
DebianImagemagick+1 more
4Debian Linux
ImagemagickOpensuse+1 more
Apr 29, 2026
Jun 5, 2012
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
The GetEXIFProperty function in magick/property.c in ImageMagick before 6.7.6-3 allows remote attackers to cause a denial of service (crash) via a zero value in the component count of an EXIF XResolution tag in a JPEG fi...Show more
The GetEXIFProperty function in magick/property.c in ImageMagick before 6.7.6-3 allows remote attackers to cause a denial of service (crash) via a zero value in the component count of an EXIF XResolution tag in a JPEG file, which triggers an out-of-bounds read.Show less