#dos

Red Hat Security Advisory 2022-7647-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Issues addressed include buffer overflow, denial of service, information leakage, and out of bounds read vulnerabilities.

An update for poppler is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-27337: poppler: A logic error in the Hints::Hints function can cause denial of service

An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-3507: QEMU: fdc: heap buffer overflow in DMA read data transfers * CVE-2022-0897: libvirt: missing locking in nwfilterConnectNumOfNWFilters can lead to denial of service * CVE-2022-2211: libguestfs: Buffer overflow in get_keys leads to DoS * CVE-2022-23645: swtpm: Unchecked header size indicator against expected size

An update for cockpit-composer, osbuild, osbuild-composer, and weldr-client is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-32189: golang: math/big: decoding big.Float and big.Rat types can panic if the encoded message is too short, potentially allowing a denial of service

An update for the container-tools:3.0 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-1705: golang: net/http: improper sanitization of Transfer-Encoding header * CVE-2022-1708: cri-o: memory exhaustion on the node when access to the kube api * CVE-2022-1962: golang: go/parser: stack exhaustion in all Parse* functions * CVE-2022-21698: prometheus/client_golang: Denial of service using InstrumentHandlerCounter * CVE-...

An update for grafana is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-23648: sanitize-url: XSS due to improper sanitization in sanitizeUrl function * CVE-2022-1705: golang: net/http: improper sanitization of Transfer-Encoding header * CVE-2022-1962: golang: go/parser: stack exhaustion in all Parse* functions * CVE-2022-21673: grafana: Forward OAuth Identity Token can allow users to access some data sources * CVE-2022-2169...

An update for libtiff is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-0561: libtiff: Denial of Service via crafted TIFF file * CVE-2022-0562: libtiff: Null source pointer lead to Denial of Service via crafted TIFF file * CVE-2022-0865: libtiff: reachable assertion * CVE-2022-0891: libtiff: heap buffer overflow in extractImageSection * CVE-2022-0908: tiff: Null source pointer passed as an argument to memcpy in TIFFFetchNor...

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to win a race condition.

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to win a race condition.

**According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?** Successful exploitation of this vulnerability could allow a Hyper-V guest to affect the functionality of the Hyper-V host.