https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2020-27351.htmlhttps://patchthecve.com/cve/CVE-2020-27351.htmlWed, 17 Jun 2026 03:09:09 +0000LOW 2.0: Various memory and file descriptor leaks were found in apt-python files python/arfile.cc, python/tag.cc, python/tarfile.cc, aka GHSL-2020-170. This issue affects: python-apt 1.1.0~beta1 versions prior to 1.1.0~beta1ubuntu0.16.04.10; 1.6.5ubuntu0 versions prior to 1.6.5ubuntu0.4; 2.0.0ubuntu0 versionhttps://patchthecve.com/cve/CVE-2020-27350.htmlhttps://patchthecve.com/cve/CVE-2020-27350.htmlWed, 17 Jun 2026 03:09:09 +0000MEDIUM 5.7: APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versionhttps://patchthecve.com/cve/CVE-2011-3374.htmlhttps://patchthecve.com/cve/CVE-2011-3374.htmlTue, 16 Jun 2026 23:33:10 +0000LOW 3.7: It was found that apt-key in apt, all versions, do not correctly validate gpg keys with the master keyring, leading to a potential man-in-the-middle attack.https://patchthecve.com/cve/CVE-2019-3462.htmlhttps://patchthecve.com/cve/CVE-2019-3462.htmlWed, 17 Jun 2026 02:35:09 +0000HIGH 8.1: Incorrect sanitation of the 302 redirect field in HTTP transport method of apt versions 1.4.8 and earlier can lead to content injection by a MITM attacker, potentially leading to remote code execution on the target machine.https://patchthecve.com/cve/CVE-2018-0501.htmlhttps://patchthecve.com/cve/CVE-2018-0501.htmlWed, 17 Jun 2026 01:31:00 +0000MEDIUM 5.9: The mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 mishandles gpg signature verification for the InRelease file of a fallback mirror, aka mirrorfail.https://patchthecve.com/cve/CVE-2016-1252.htmlhttps://patchthecve.com/cve/CVE-2016-1252.htmlWed, 17 Jun 2026 00:41:33 +0000MEDIUM 5.9: The apt package in Debian jessie before 1.0.9.8.4, in Debian unstable before 1.4~beta2, in Ubuntu 14.04 LTS before 1.0.1ubuntu2.17, in Ubuntu 16.04 LTS before 1.2.15ubuntu0.2, and in Ubuntu 16.10 before 1.3.2ubuntu0.1 allows man-in-the-middle attackers to bypass a repository-signing protection mechahttps://patchthecve.com/cve/CVE-2014-0490.htmlhttps://patchthecve.com/cve/CVE-2014-0490.htmlWed, 17 Jun 2026 00:03:08 +0000HIGH 7.5: The apt-get download command in APT before 1.0.9 does not properly validate signatures for packages, which allows remote attackers to execute arbitrary code via a crafted package.https://patchthecve.com/cve/CVE-2014-0489.htmlhttps://patchthecve.com/cve/CVE-2014-0489.htmlWed, 17 Jun 2026 00:03:08 +0000HIGH 7.5: APT before 1.0.9, when the Acquire::GzipIndexes option is enabled, does not validate checksums, which allows remote attackers to execute arbitrary code via a crafted package.https://patchthecve.com/cve/CVE-2014-0488.htmlhttps://patchthecve.com/cve/CVE-2014-0488.htmlWed, 17 Jun 2026 00:03:08 +0000MEDIUM 6.8: APT before 1.0.9 does not "invalidate repository data" when moving from an unauthenticated to authenticated state, which allows remote attackers to have unspecified impact via crafted repository data.https://patchthecve.com/cve/CVE-2014-0487.htmlhttps://patchthecve.com/cve/CVE-2014-0487.htmlWed, 17 Jun 2026 00:03:08 +0000HIGH 7.5: APT before 1.0.9 does not verify downloaded files if they have been modified as indicated using the If-Modified-Since header, which has unspecified impact and attack vectors.https://patchthecve.com/cve/CVE-2014-7206.htmlhttps://patchthecve.com/cve/CVE-2014-7206.htmlWed, 17 Jun 2026 00:14:33 +0000LOW 3.6: The changelog command in Apt before 1.0.9.2 allows local users to write to arbitrary files via a symlink attack on the changelog file.https://patchthecve.com/cve/CVE-2014-6273.htmlhttps://patchthecve.com/cve/CVE-2014-6273.htmlWed, 17 Jun 2026 00:12:49 +0000MEDIUM 6.8: Buffer overflow in the HTTP transport code in apt-get in APT 1.0.1 and earlier allows man-in-the-middle attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted URL.https://patchthecve.com/cve/CVE-2014-0478.htmlhttps://patchthecve.com/cve/CVE-2014-0478.htmlWed, 17 Jun 2026 00:03:07 +0000MEDIUM 4.0: APT before 1.0.4 does not properly validate source packages, which allows man-in-the-middle attackers to download and install Trojan horse packages by removing the Release signature.https://patchthecve.com/cve/CVE-2012-0214.htmlhttps://patchthecve.com/cve/CVE-2012-0214.htmlTue, 16 Jun 2026 23:36:54 +0000MEDIUM 4.3: The pkgAcqMetaClearSig::Failed method in apt-pkg/acquire-item.cc in Advanced Package Tool (APT) 0.8.11 through 0.8.15.10 and 0.8.16 before 0.8.16~exp13, when updating from repositories that use InRelease files, allows man-in-the-middle attackers to install arbitrary packages by preventing a user frohttps://patchthecve.com/cve/CVE-2011-3634.htmlhttps://patchthecve.com/cve/CVE-2011-3634.htmlTue, 16 Jun 2026 23:33:39 +0000LOW 2.6: methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Host is enabled, which allows man-in-the-middle attackers to obtain repository credentials via unspecified vectors.https://patchthecve.com/cve/CVE-2013-1051.htmlhttps://patchthecve.com/cve/CVE-2013-1051.htmlTue, 16 Jun 2026 23:50:46 +0000MEDIUM 4.3: apt 0.8.16, 0.9.7, and possibly other versions does not properly handle InRelease files, which allows man-in-the-middle attackers to modify packages before installation via unknown vectors, possibly related to integrity checking and the use of third-party repositories.https://patchthecve.com/cve/CVE-2012-0961.htmlhttps://patchthecve.com/cve/CVE-2012-0961.htmlTue, 16 Jun 2026 23:38:35 +0000LOW 2.1: Apt 0.8.16~exp5ubuntu13.x before 0.8.16~exp5ubuntu13.6, 0.8.16~exp12ubuntu10.x before 0.8.16~exp12ubuntu10.7, and 0.9.7.5ubuntu5.x before 0.9.7.5ubuntu5.2, as used in Ubuntu, uses world-readable permissions for /var/log/apt/term.log, which allows local users to obtain sensitive shell information by