CVE-2021-41617

CVE-2021-41617 affects OpenSSH sshd (versions 6.2–8.x prior to 8.8) where certain non-default configurations allow local privilege escalation because supplemental groups are not initialized as expected when AuthorizedKeysCommand/AuthorizedPrincipalsCommand run under a different user. This can cau...

CVE-2020-11984

CVE-2020-11984 affects Apache HTTP Server mod_proxy_uwsgi. Based on the provided documents, it is a vulnerability in httpd’s uwsgi handling that can lead to information disclosure and potentially remote code execution. The vulnerability was reported for Apache HTTP Server versions around 2.4.32 t...

CVE-2022-23943

CVE-2022-23943 is an out-of-bounds write vulnerability in httpd’s mod_sed that could allow memory corruption by attacker-supplied data. Affected: Apache HTTP Server 2.4.52 and earlier. Mitigation: upgrade to a fixed release (e.g., httpd 2.4.53 or later) as indicated by multiple advisories (includ...

CVE-2022-22720

CVE-2022-22720 – Apache httpd HTTP Request Smuggling (details from connected docs) Affected software: Apache HTTP Server (httpd) versions 2.4.52 and earlier. Root cause / description: Inbound connections are not closed when errors occur while discarding the request body, which can expose the serv...

CVE-2021-26691

CVE-2021-26691 affects Apache HTTP Server, where a crafted SessionHeader can cause a heap overflow in 2.4.0–2.4.46. Several connected advisories indicate that updates have been released (e.g., AlmaLinux/CentOS/Red Hat ecosystems) and that newer Apache HTTP Server versions (e.g., 2.4.51 in Check P...

CVE-2021-44790

CVE-2021-44790 affects Apache HTTP Server up to version 2.4.51. It describes a buffer overflow in the mod_lua multipart parser (triggered via r:parsebody() from Lua scripts). Connected documents corroborate this in various advisories and patch notes, indicating releases with fixes (e.g., patched ...

CVE-2021-39275

CVE-2021-39275 affects Apache HTTP Server (httpd) up to 2.4.48 and earlier. The issue is an out-of-bounds write in ap_escape_quotes() when given malicious input, potentially crashing the server or enabling code execution in some environments. Several connected sources concur this vulnerability ex...

CVE-2020-1927

CVE-2020-1927 affects Apache HTTP Server 2.4.0–2.4.41, where mod_rewrite redirects intended to be self-referential could be fooled by encoded newlines and redirect to an unexpected URL within the request. Multiple connected advisories confirm the issue and indicate that fixes were released in Apa...

CVE-2020-1934

CVE-2020-1934 affects Apache HTTP Server 2.4.0–2.4.41 via mod_proxy_ftp, which may use uninitialized memory when proxying to a malicious FTP backend. Public advisories confirm the fixes in Apache HTTP Server 2.4.43+ (e.g., ALAS-2020-1370/ALAS2-2020-1427), so upgrading to 2.4.43 or newer is the re...

CVE-2021-29921

CVE-2021-29921 affects the ipaddress module in Python, where leading zeros in IPv4 octets are mishandled, potentially bypassing IP-based access controls. The issue is addressed by Python 3.9.5 and later; many advisories (Debian, AlmaLinux, Alpine, etc.) reference updates or security trackers conf...

CVE-2021-40438

CVE-2021-40438 is an SSRF flaw in Apache HTTP Server 2.4.x through older revisions where a crafted request URI path can cause mod_proxy to forward the request to an origin server chosen by the remote user. The issue affects Apache httpd 2.4.48 and earlier; the CVSSv3.1 base score is 9.0 (CRITICAL...

CVE-2020-1472

CVE-2020-1472 (Zerologon) is referenced in connected records as affecting Samba packages. Two advisories note affected versions and fixes: CVE-2020-1472 in Samba for versions < 4.18.3-1 (CBLMARINER:36991) and

CVE-2020-9490

CVE-2020-9490 affects Apache HTTP Server versions 2.4.20–2.4.43. A specially crafted value for the Cache-Digest header in an HTTP/2 request could cause a crash when the server subsequently attempts to HTTP/2 PUSH a resource. Mitigation for unpatched servers is to disable HTTP/2 PUSH via H2Push of...

CVE-2020-11993

CVE-2020-11993 affects Apache HTTP Server 2.4.20–2.4.43: when trace/debug is enabled for the HTTP/2 module and certain traffic patterns, logging can be performed on the wrong connection, leading to concurrent use of memory pools. Mitigation in public advisories: set LogLevel for mod_http2 above i...

CVE-2020-35452

The CVE-2020-35452 entry concerns Apache HTTP Server 2.4.0–2.4.46, where a specially crafted Digest nonce can trigger a stack overflow in mod_auth_digest. The description notes there was no reported exploit against Apache at the time, though certain compiler/compile options might enable it with l...

CVE-2019-20907

CVE-2019-20907 affects Python’s tarfile handling (Lib/tarfile.py) up to Python 3.8.3. A crafted TAR archive can trigger an infinite loop when opened via tarfile.open because _proc_pax lacks header validation. Connected advisories confirm the issue is treated as a tarfile DoS, with patches release...

CVE-2022-22721

CVE-2022-22721 concerns the Apache HTTP Server. On 32-bit systems, if LimitXMLRequestBody is set to allow request bodies larger than 350 MB (default 1 MB), an integer overflow can occur, leading to out-of-bounds writes. Affected product: Apache HTTP Server 2.4.52 and earlier. Impact per sources: ...

CVE-2021-4034

Polkit pkexec (setuid) contains a local privilege escalation flaw where pkexec fails to validate the calling parameter count and may treat crafted environment variables as commands, enabling unprivileged users to execute arbitrary code with root privileges. This has been reported across multiple ...

CVE-2022-22719

Summary (CVE-2022-22719) Affects Apache HTTP Server (httpd) 2.4.52 and earlier. The issue arises in the httpd mod_lua component where an uninitialized value in r:parsebody can cause a read to a random memory area, potentially leading to a crash and availability impact. Connected advisories confir...

CVE-2021-26690

CVE-2021-26690 affects Apache HTTP Server 2.4.0–2.4.46 due to a NULL pointer dereference in mod_session when parsing a crafted Cookie header, leading to Denial of Service. Public advisories and vendor pages confirm a patch exists in newer httpd releases (e.g., 2.4.46+/2.4.51 in various distributi...

CVE-2021-3177

CVE-2021-3177: A buffer overflow in PyCArg_repr of Python’s ctypes (_ctypes/callproc.c) may allow remote code execution when untrusted floating-point input is passed (e.g., 1e300 to c_double.from_param) due to unsafe use of sprintf. Affected: Python 3.x up to 3.9.1. Remediation exists in multiple...

CVE-2021-34798

CVE-2021-34798 is a vulnerability in Apache HTTP Server where malformed requests may cause a NULL pointer dereference in the httpd core. The issue affects Apache HTTP Server 2.4.48 and earlier, and the resulting crash can lead to a Denial of Service. Multiple connected advisories confirm the same...

CVE-2021-23841

CVE-2021-23841 is described in connected advisories as a NULL pointer dereference in OpenSSL’s X509_issuer_and_serial_hash() when parsing the issuer field. This can crash a process if certificates from untrusted sources are processed and the issuer parsing fails, enabling a potential denial of se...

CVE-2021-3426

CVE-2021-3426 corresponds to a vulnerability in Python’s pydoc where the getfile feature could be abused to read arbitrary files. The linked sources confirm the issue affects Python versions prior to specific releases (e.g., Python before 3.8.9, 3.9.3, and 3.10.0a7 per the CVE description) and no...

CVE-2021-33193

CVE-2021-33193 describes a vulnerability in Apache HTTP Server where a crafted HTTP/2 method can bypass validation and be forwarded by mod_proxy, potentially enabling request splitting or cache poisoning. The issue affects Apache httpd versions 2.4.17 through 2.4.48. Connected advisories and noti...

CVE-2019-17567

CVE-2019-17567 affects Apache HTTP Server 2.4.x where mod_proxy_wstunnel on a URL not guaranteed to be upgraded by the origin server tunnels the entire connection, allowing subsequent requests on the same TCP connection to bypass HTTP validation, authentication, or authorization. Public reference...

CVE-2021-36160

CVE-2021-36160 affects Apache HTTP Server mod_proxy_uwsgi. A crafted request URI-path can cause mod_proxy_uwsgi to read beyond allocated memory, triggering a DoS. The issue is reported for Apache httpd versions 2.4.30–2.4.48. Public sources in connected documents corroborate the impact as an out-...

CVE-2021-30641

CVE-2021-30641 affects Apache HTTP Server 2.4.39–2.4.46 with unexpected matching behavior when MergeSlashes OFF. Connected sources indicate patched versions: Debian fixes in 2.4.38-based packages, AlmaLinux/RedHat advisories reference a fix in Apache 2.4.51 for supported Check Point versions, and...

CVE-2020-13950

CVE-2020-13950 affects Apache HTTP Server (httpd) mod_proxy_http, with versions 2.4.41–2.4.46 vulnerable to a NULL pointer dereference triggered by specially crafted requests using both Content-Length and Transfer-Encoding headers, causing Denial of Service. Connected documents confirm impact as ...

CVE-2021-43818

CVE-2021-43818 affects python-lxml’s HTML Cleaner (lxml.html). Before 4.6.5, the HTML cleaner lets crafted script content pass through, including scripts in SVG data URLs, enabling potential XSS in security-relevant contexts. A fix is available in lxml 4.6.5; upgrade to receive the patch. The con...

CVE-2021-33503

CVE-2021-33503 affects urllib3 prior to 1.26.5, where the authority component regex can catastrophically backtrack on URLs containing many @ characters, leading to denial of service via parameters or redirects. Several connected sources note a patched version is available (e.g., python-urllib3 up...

CVE-2020-26137

CVE-2020-26137 pertains to Python’s urllib3 and is explicitly described as a CRLF injection vulnerability in the HTTP request handling of urllib3/http.client. The connected advisories show affected package and version details: python-urllib3 1.24.2-2 (CBLMariner entry) and a recommended upgrade t...

CVE-2022-0391

CVE-2022-0391 affects the Python urllib.parse.urlparse path handling, where input is not sanitized and allows literal CR/LF characters, enabling crafted URLs to trigger injection-like issues. Public docs (Python history, Debian LTS/DLA notes, Astra Linux bulletin) corroborate that the vulnerabili...

CVE-2020-26116

CVE-2020-26116 affects Python’s http.client/httplib in 3.x releases. The issue allows CRLF injection when an attacker controls the HTTP request method, demonstrated by inserting CR/LF into the first argument of HTTPConnection.request. Affected versions include Python 3.x before 3.5.10, 3.6.x befo...

CVE-2021-4183

Wireshark: CVE-2021-4183 is a denial-of-service issue caused by a crash in the pcapng file parser in Wireshark 3.6.0. Public documentation in connected advisories (Gentoo GLSA 202210-04, openSUSE/openSUSE-SU-2022:0375-1, SUSE/SLES updates, etc.) confirms the vulnerability condition is the pcapng ...

CVE-2021-3449

CVE-2021-3449 affects OpenSSL 1.1.1.x where a TLSv1.2 server may crash (DoS) if it receives a renegotiation ClientHello that omits the signature_algorithms extension but includes signature_algorithms_cert. The issue is a NULL pointer dereference leading to a denial of service; OpenSSL clients are...

CVE-2021-3711

CVE-2021-3711 involves a bug in OpenSSL SM2 decryption: the buffer-size calculation during EVP_PKEY_decrypt() first call can under-allocate, enabling a later second call with a too-small buffer and causing a buffer overflow (up to 62 bytes). The issue affects OpenSSL 1.1.1 up to 1.1.1k and is fix...

CVE-2021-25219

CVE-2021-25219 affects ISC BIND; a flaw in response processing allows abuse of the lame cache, degrading resolver performance and potentially causing DoS. Affected ranges include BIND 9.3.0–9.11.35, 9.12.0–9.16.21, 9.9.3-S1–9.11.35-S1, 9.16.8-S1–9.16.21-S1, and 9.17.0–9.17.18 (development/joint b...

CVE-2022-25235

CVE-2022-25235: In Expat (libexpat) xmltok_impl.c, there is insufficient validation of encoding (e.g., UTF-8 validity in certain contexts) prior to version 2.4.5. PUBLICLY documented impact is high/critical: CVSS 3.1 vector shows NETWORK attack, U/N UI, with C/H/I/H and a base score of 9.8. The c...

CVE-2021-3712

The CVE-2021-3712 issue affects OpenSSL where ASN1_STRING data may not be NUL-terminated if constructed directly (or via ASN1_STRING_set0), causing read-buffer overreads when many OpenSSL print/name-constraining paths handle such ASN.1 strings. Exploitation could crash the application (DoS) or di...

CVE-2021-31618

CVE-2021-31618 affects the Apache httpd mod_http2 component. The issue is a NULL pointer dereference in the HTTP/2 header handling when size limits are violated, leading to denial of service by crashing the httpd worker process. Affected releases include mod_http2 1.15.17 and Apache httpd 2.4.47 ...

CVE-2019-16056

CVE-2019-16056 : Debian LTS advisories fix a vulnerability in the Python email module where addresses containing multiple @ characters can bypass checks on From/To headers, potentially causing an application to accept an invalid address. The issue affects Python 2.7 as documented in DLA-2337-1 an...

CVE-2021-3520

CVE-2021-3520 affects the lz4 library and is caused by an integer overflow that can lead to memmove being called with a negative size, resulting in out-of-bounds writes or a crash. Documented impacts emphasize availability (with possible confidentiality/integrity impact). Concrete remediation det...

CVE-2019-13565

CVE-2019-13565 affects OpenLDAP 2.x before 2.4.48. The issue arises when using SASL authentication with session encryption and relying on SASL security layers in slapd ACLs, allowing access that would normally be denied via a simple bind for identities covered by the ACLs. After the first SASL bi...

CVE-2019-11135

CVE-2019-11135 is a TSX Transactional Synchronization Extensions-related vulnerability in Intel CPUs causing potential information disclosure via a side channel when TSX Acknowledges an abort. The connected documents describe a subsequent issue (CVE-2019-19338) in the fix path for CVE-2019-11135 ...

CVE-2021-3517

CVE-2021-3517 is a libxml2 vulnerability affecting versions before 2.9.11. A flaw in the xml entity encoding functionality could allow processing of a crafted XML file to trigger an out‑of‑bounds read, with availability impact and potential confidentiality/integrity impact if memory information i...

CVE-2022-25236

CVE-2022-25236 (Expat/libexpat) affects Expat before 2.4.5, where attackers can insert namespace-separator characters into namespace URIs in xmlparse.c. The issue can enable attacker-controlled input to trigger a denial of service or, in certain contexts (e.g., misuse of xmlns[:prefix] attribute ...

CVE-2021-22222

Wireshark is affected by CVE-2021-22222 due to an infinite loop in the DVB-S2-BB dissector, impacting 3.4.0 through 3.4.5 and enabling a denial-of-service via crafted captures or packet injection. The issue originates in the DVB-S2-BB parser; exploiting it causes the Wireshark process to hang, co...

CVE-2022-25315

CVE-2022-25315 affects libexpat (Expat) with an integer overflow in storeRawNames in versions before 2.4.5. Public sources (e.g., AlmaLinux ALAS2-2022-1779, AlmaLinux ALSA-2022-7811, CentOS/Red Hat advisories) indicate the issue has been addressed in later expat releases (upgrades to 2.4.5+; 2.4....

CVE-2021-28957

CVE-2021-28957 affects python-lxml’s Cleaner in the clean module, where disabling safe_attrs_only and forms allows the formaction attribute to bypass sanitization, enabling remote XSS. Versions before 4.6.3 are vulnerable; fixed in lxml 4.6.3. Affected: python-lxml; Issue caused by missing input ...