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Ubuntu

61,840 known vulnerabilities.

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  • High 8.4

    libvips: Integer overflow leading to heap buffer overflow leading to possible attacker-controlled mmap-resident write

    libvips is a fast image processing library with low memory needs. Prior to version 8.18.3, a crafted many-band TIFF processed through VipsForeignLoadTiff can evade scanline validation in libvips/iofuncs/image.c and cause an integer overflow in vips_image_sani…

  • Low 3.7

    tor before 0.4.9.9 was prone to an infinite loop when decompressing a truncated zlib/gzip stream with done=1. A truncat…

  • Medium 5.3

    Tor before 0.4.9.9 was prone to a compression bomb bypass where an attacker could concatenate many gzip or zlib sub-str…

  • High 8.9

    Tor before 0.4.9.11 is prone to a race condition where in just the right circumstances a rendezvous point could man-in-…

  • Medium 5.9

    Tor before 0.4.9.11 is prone to a use-after-free (and potential double free) of a conflux object when a recovery leg re…

  • High 7.0

    Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams. A …

  • Medium 4.8

    Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.

  • High 8.6

    Shaarli vulnerable to stored XSS via raw bookmark title in document <title> element on public permalink page

    Shaarli is a personal bookmarking service. Versions prior to 0.16.3 are vulnerable to stored XSS in `application/front/controller/visitor/BookmarkListController.php`. The `permalink` handler concatenates the raw `$bookmark->getTitle()` into the `pagetitle` te…

  • Medium 6.5

    libgit2: HTTP transport can leak credentials to an offsite redirect target

    libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, the built-in HTTP transport in src/libgit2/transports/http.c f…

  • Medium 6.5

    libgit2: Inverted IP SubjectAltName Comparison in OpenSSL Backend

    libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, verify_server_cert in src/libgit2/streams/openssl.c uses an in…

  • Medium 5.3

    libgit2: Unbounded Memory Allocation via Delta Object Result-Size Header

    libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, git_delta_apply in src/libgit2/delta.c trusts the attacker-con…

  • High 7.5
    CVE-2026-53587 Public exploit

    libgit2 - Unauthenticated network-reachable heap out-of-bounds read in transports/smart_pkt.c:set_data

    libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, libgit2 performs a fixed-size strncmp in set_data in src/libgi…

  • Medium 4.3

    libgit2: Submodule path traversal

    libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, libgit2 does not reject traversal components in a submodule pa…

  • Medium 5.3

    msgpack-c Integer Overflow in msgpack_unpacker_expand_buffer Causes a False-Success Undersized Reservation

    msgpack_unpacker_expand_buffer in src/unpack.c, reached through the public msgpack_unpacker_reserve_buffer API, computes its new buffer size using an unchecked size_t addition of the requested size and the amount already used. The doubling loop guards its own…

  • Medium 5.7

    Catalyst::Plugin::Static::Simple versions through 0.38 for Perl mark responses as publicly cacheable

    Catalyst::Plugin::Static::Simple versions through 0.38 for Perl mark responses as publicly cacheable. The _serve_static method always sets the Cache-Control header to "public", with no means of overriding it. This advises proxies that the content may be store…

  • Critical 9.2

    Libevent: HTTP header handling bugs create risk of access control bypass.

    Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has two HTTP parsing weaknesses in http.c. evhttp_decode_uri_internal decodes percent-encoded %00 bytes into literal NUL characters, which can cause downstream C string opera…

  • Medium 6.3

    Libevent: HTTP Header smuggling

    Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent processes chunked HTTP trailers in http.c through evhttp_read_trailer and merges them into request headers. The fix introduces evhttp_parse_headers_impl_ and a temporary trai…

  • High 7.0

    Libevent: Off-by-one stack buffer overflow in dnsname_to_labels via crafted DNS server response

    Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has an off-by-one stack buffer overflow in evdns.c when dnsname_to_labels formats a name-bearing DNS record at the end of the 64 KB stack buffer allocated by evdns_server_req…

  • High 8.7

    Libevent: `evtag_unmarshal_header()` decodes a wire `uint32` length into a signed `int` return value.

    Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has an incorrect integer conversion in event_tagging.c when evtag_unmarshal_header uses evtag_decode_int to decode an attacker-controlled uint32 payload length and returns it…

  • Medium 5.7

    Libevent: Null Pointer Dereference in `evws_new_session`

    Libevent is an event notification library. Prior to 2.2.2-alpha, libevent can dereference invalid list pointers in ws.c when evws_new_session enters its error path after evhttp_start_ws_ succeeds but bufferevent_enable_locking_ fails. evws_connection_free see…

  • Critical 9.2

    libevent evhttp: Multiple HTTP Parser Bugs Enable Request Smuggling

    Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evht…

  • Medium 5.8

    Libevent: Dangling Pointer in `evbuffer_add_buffer_reference`

    Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has a use-after-free in buffer.c when evbuffer_add_buffer_reference processes an output buffer whose out_total_len is zero. evbuffer_free_all_chains frees the initial empty c…

  • High 8.7

    Libevent: decode_tag_internal() can lead to out-of-bounds read

    Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent can read beyond a contiguous evbuffer region in event_tagging.c when decode_tag_internal requests at most five bytes from evbuffer_pullup but iterates using the full logical …

  • High 8.4

    Libevent: Heap out-of-bounds write in bufferevent_socket_set_conn_address_ reachable via AF_UNIX accept

    Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has a heap out-of-bounds write in bufferevent_sock.c when bufferevent_socket_set_conn_address_ copies a kernel-supplied AF_UNIX peer address into bufferevent_private.conn_add…

  • Critical 9.1

    Mongoose: TLS Hostname Verification Bypass via Overly Permissive Wildcard Matching

    Mongoose is an embedded web server and network library. Prior to version 7.22, an on-path network attacker with a wildcard certificate for a parent domain can impersonate deeper subdomains to a client using the built-in TLS stack. The mg_tls_verify_cert_san()…

  • Medium 6.5

    Mongoose: Path traversal in SSI #include directives enables arbitrary file read

    Mongoose is an embedded web server and network library. Prior to 7.22, an attacker who can control an SSI-enabled file can place directory traversal sequences in an #include file or #include virtual directive. The mg_ssi() function in src/ssi.c concatenates t…

  • Medium 5.4

    Mongoose: Reflected XSS via decoded URI in directory listing render

    Mongoose is an embedded web server and network library. Prior to 7.22, a remote attacker can send a crafted percent-encoded request path to a deployment using MG_ENABLE_DIRLIST and persuade a user to visit it. The mg_http_serve_dir() and listdir() path in src…

  • Critical 9.1

    Mongoose: HTTP/1.0 detection off-by-one enables request smuggling via chunked TE

    Mongoose is an embedded web server and network library. Prior to 7.22, a remote unauthenticated attacker can exploit an HTTP/1.0 reverse-proxy deployment by sending a request with Transfer-Encoding: chunked and conflicting framing. The http_cb() function in s…

  • Medium 5.4

    Mongoose: Stored XSS via unescaped filenames in directory listing

    Mongoose is an embedded web server and network library. Prior to 7.22, an attacker who can create a file with an HTML payload in its name can trigger stored cross-site scripting when a user browses a directory served with MG_ENABLE_DIRLIST. The printdirentry(…

  • Medium 6.5

    Mongoose: Multipart boundary/header scan logic error in mg_http_next_multipart

    Mongoose is an embedded web server and network library. Prior to 7.22, a remote attacker can place a lone carriage return or line feed in multipart input processed by mg_http_next_multipart() in src/http.c. The loops comparing s[b] and s[b + 1], and s[h2] and…

  • Critical 9.3

    Mongoose Built-in TLS: CA-bundle certificate chain accepted without any signature verification

    Mongoose is an embedded web server and network library. Prior to 7.23, a network attacker can impersonate a TLS server to a Mongoose client configured with a multi-certificate CA bundle. In src/tls_builtin.c, the mg_tls_init() function stores the bundle in tl…

  • High 7.5

    Expat Out-of-Bounds Read via dtdCopy

    Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A struct size mismatch between ELEMENT_TYPE members …

  • Critical 9.1

    Mongoose: Content-Length + Transfer-Encoding coexistence enables request smuggling

    Mongoose is an embedded web server and network library. Priro to version 7.22, a remote unauthenticated attacker can send an HTTP request containing both Content-Length and Transfer-Encoding: chunked. The cl_count and te_count checks in the mg_http_parse() an…

  • Medium 4.6

    broot Terminal Escape Sequence Injection via Unsanitized File and Directory Names in the Tree View

    broot renders each file and directory name in its interactive tree view exactly as read from the filesystem. Names are converted with a plain to_string_lossy() call in src/tree_build/builder.rs and in TreeLine::unprune in src/tree/tree_line.rs, and no control…

  • Medium 6.1

    WebOb: Open redirect in Location header normalization via leading C0 control / space characters

    WebOb provides objects for HTTP requests and responses. Prior to 1.8.11, Response._make_location_absolute() in src/webob/response.py checks a Location value for a URI scheme or leading double slash before urllib.parse.urljoin() strips leading C0 control chara…

  • Medium 6.9

    Hurl: Cookies in Cookies section leak when redirecting to a different host

    Hurl is a command line tool that runs and tests HTTP requests defined in plain text files. In version 8.0.1 and earlier, the redirect handling in packages/hurl/src/http/client.rs strips Authorization and Cookie headers and basic-auth credentials when a redire…

  • High 7.2

    Adminer multi_query Incorrect Check of Function Return Value Remote Code Execution Vulnerability

    Adminer multi_query Incorrect Check of Function Return Value Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adminer. Authentication is required to exploit this vulnerabili…

  • High 7.8

    GIMP APNG File Parsing Integer Overflow Remote Code Execution Vulnerability

    GIMP APNG File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target …

  • High 7.8

    GIMP TIF File Parsing Integer Overflow Remote Code Execution Vulnerability

    GIMP TIF File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target m…

  • High 7.8

    GIMP TIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

    GIMP TIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that th…