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GHSA-48wp-p9qv-4j64: Commonmarker vulnerable to to several quadratic complexity bugs that may lead to denial of service

## Impact Several quadratic complexity bugs in commonmarker's underlying [`cmark-gfm`](https://github.com/github/cmark-gfm) library may lead to unbounded resource exhaustion and subsequent denial of service. The following vulnerabilities were addressed: * [CVE-2023-24824](https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh) * [CVE-2023-26485](https://github.com/github/cmark-gfm/security/advisories/GHSA-r8vr-c48j-fcc5) For more information, consult the release notes for version [`0.23.0.gfm.10`](https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.10) and [`0.23.0.gfm.11`](https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.11). ## Mitigation Users are advised to upgrade to commonmarker version [`0.23.9`](https://rubygems.org/gems/commonmarker/versions/0.23.9).

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CVE-2023-28302

Microsoft Message Queuing Denial of Service Vulnerability

CVE-2023-26554: ntp-4.2.8p15-cves/CVE-2023-26554 at main · spwpun/ntp-4.2.8p15-cves

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\0' character. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

CVE-2023-26552: ntp-4.2.8p15-cves/CVE-2023-26552 at main · spwpun/ntp-4.2.8p15-cves

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a decimal point. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

CVE-2023-26553: ntp-4.2.8p15-cves/CVE-2023-26553 at main · spwpun/ntp-4.2.8p15-cves

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when copying the trailing number. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

CVE-2023-26551: ntp-4.2.8p15-cves/CVE-2023-26551 at main · spwpun/ntp-4.2.8p15-cves

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cp<cpdec while loop. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

CVE-2023-28298

Windows Kernel Denial of Service Vulnerability

CVE-2023-21769

Microsoft Message Queuing Denial of Service Vulnerability

CVE-2023-24860

Microsoft Defender Denial of Service Vulnerability

CVE-2023-26555: ntp-4.2.8p15-cves/CVE-2023-26555 at main · spwpun/ntp-4.2.8p15-cves

praecis_parse in ntpd/refclock_palisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would be complex, e.g., with a manipulated GPS receiver.