Red Hat Security Data

An update for the container-tools:2.0 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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.The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fix(es): * runc: vulnerable to symlink exchange attack (CVE-2021-30465) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-30465: runc: vulnerable to symlink exchange attack

An update for the nginx:1.16 module is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.1 Extended Update Support, and Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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.nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fix(es): * nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-23017: nginx: Off-by-one in ngx_resolver_co...

An update is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. 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 is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): * kernel: Use after free via PI futex state (CVE-2021-3347) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-3347: kernel: Use after free via PI futex state

An update for nettle is now available for Red Hat Enterprise Linux 7.7 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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.Nettle is a cryptographic library that is designed to fit easily in almost any context: In crypto toolkits for object-oriented languages, such as C++, Python, or Pike, in applications like LSH or GNUPG, or even in kernel space. Security Fix(es): * nettle: Out of bounds memory access in signature verification (CVE-2021-20305) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-20305: nettle: Out of bounds memory access in signature verification

An update for rh-nginx116-nginx is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Important. 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.nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fix(es): * nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-23017: nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name

An update for thunderbird is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. 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.Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.11.0. Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967) * Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956) * Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-29956: Mozilla: Thunderbird st...

An update for libwebp is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. 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.The libwebp packages provide a library and tools for the WebP graphics format. WebP is an image format with a lossy compression of digital photographic images. WebP consists of a codec based on the VP8 format, and a container based on the Resource Interchange File Format (RIFF). Webmasters, web developers and browser developers can use WebP to compress, archive, and distribute digital images more efficiently. Security Fix(es): * libwebp: heap-based buffer overflow in PutLE16() (CVE-2018-25011) * libwebp: heap-based buffer overflow in WebPDecode*Into functions (CVE-2020-36328) * libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c (CVE-2020-36329) ...

An update for thunderbird is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. 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.Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.11.0. Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967) * Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956) * Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-29956: Mozilla: Thunderbird st...

An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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.Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.11.0. Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967) * Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956) * Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-2995...

An update for the nginx:1.18 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. 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.nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fix(es): * nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-23017: nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name