Buffer overflow in the git_pkt_parse_line function in transports/smart_pkt.c in the Git Smart Protocol support in libgit2 before 0.24.6 and 0.25.x before 0.25.1 allows remote attackers to have unspecified impact via a crafted non-flush packet.

• https://libgit2.github.com/security/
• https://github.com/libgit2/libgit2/commit/66e3774d279672ee51c3b54545a79d20d1ada834
• https://github.com/libgit2/libgit2/commit/4ac39c76c0153d1ee6889a0984c39e97731684b2
• http://www.openwall.com/lists/oss-security/2017/01/11/6
• http://www.openwall.com/lists/oss-security/2017/01/10/5
• http://lists.opensuse.org/opensuse-updates/2017-02/msg00072.html
• http://lists.opensuse.org/opensuse-updates/2017-02/msg00036.html
• http://lists.opensuse.org/opensuse-updates/2017-02/msg00030.html
• http://www.securityfocus.com/bid/95338

The Git Smart Protocol support in libgit2 before 0.24.6 and 0.25.x before 0.25.1 allows remote attackers to cause a denial of service (NULL pointer dereference) via an empty packet line.

• https://libgit2.github.com/security/
• https://github.com/libgit2/libgit2/commit/84d30d569ada986f3eef527cbdb932643c2dd037
• https://github.com/libgit2/libgit2/commit/2fdef641fd0dd2828bd948234ae86de75221a11a
• http://www.openwall.com/lists/oss-security/2017/01/11/6
• http://www.openwall.com/lists/oss-security/2017/01/10/5
• http://lists.opensuse.org/opensuse-updates/2017-02/msg00072.html
• http://lists.opensuse.org/opensuse-updates/2017-02/msg00036.html
• http://lists.opensuse.org/opensuse-updates/2017-02/msg00030.html
• http://www.securityfocus.com/bid/95339

The http_connect function in transports/http.c in libgit2 before 0.24.6 and 0.25.x before 0.25.1 might allow man-in-the-middle attackers to spoof servers by leveraging clobbering of the error variable.

• https://libgit2.github.com/security/
• https://github.com/libgit2/libgit2/commit/b5c6a1b407b7f8b952bded2789593b68b1876211
• https://github.com/libgit2/libgit2/commit/9a64e62f0f20c9cf9b2e1609f037060eb2d8eb22
• http://www.openwall.com/lists/oss-security/2017/01/11/6
• http://www.openwall.com/lists/oss-security/2017/01/10/5
• http://lists.opensuse.org/opensuse-updates/2017-02/msg00072.html
• http://lists.opensuse.org/opensuse-updates/2017-02/msg00036.html
• http://lists.opensuse.org/opensuse-updates/2017-02/msg00030.html
• http://www.securityfocus.com/bid/95359

zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

• https://rt.cpan.org/Ticket/Display.html?id=143579
• https://www.openwall.com/lists/oss-security/2022/03/24/1
• https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531
• http://www.openwall.com/lists/oss-security/2022/03/25/2
• http://www.openwall.com/lists/oss-security/2022/03/26/1
• https://www.openwall.com/lists/oss-security/2022/03/28/1
• https://github.com/madler/zlib/compare/v1.2.11...v1.2.12
• https://www.openwall.com/lists/oss-security/2022/03/28/3
• https://github.com/madler/zlib/issues/605
• https://www.debian.org/security/2022/dsa-5111
• https://lists.debian.org/debian-lts-announce/2022/04/msg00000.html
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NS2D2GFPFGOJUL4WQ3DUAY7HF4VWQ77F/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XOKFMSNQ5D5WGMALBNBXU3GE442V74WU/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VOKNP2L734AEL47NRYGVZIKEFOUBQY5Y/
• https://lists.debian.org/debian-lts-announce/2022/05/msg00008.html
• https://support.apple.com/kb/HT213255
• https://support.apple.com/kb/HT213256
• https://support.apple.com/kb/HT213257
• http://seclists.org/fulldisclosure/2022/May/33
• http://seclists.org/fulldisclosure/2022/May/35
• http://seclists.org/fulldisclosure/2022/May/38
• https://security.netapp.com/advisory/ntap-20220526-0009/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/