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CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0

CVE-2021-29976 – Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12

https://notcve.org/view.php?id=CVE-2021-29976

15 Jul 2021 — Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90. Los desarrolladores de Mozilla informaron de fallos de seguridad de memoria presentes en el código compartido entre Firefox y Thunderbird. Algunos de estos fallos m... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1700895%2C1703334%2C1706910%2C1711576%2C1714391 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •

CVSS: 6.1EPSS: 0%CPEs: 1EXPL: 0

CVE-2021-29944 – openSUSE Security Advisory - openSUSE-SU-2024:14572-1

https://notcve.org/view.php?id=CVE-2021-29944

24 Jun 2021 — Lack of escaping allowed HTML injection when a webpage was viewed in Reader View. While a Content Security Policy prevents direct code execution, HTML injection is still possible. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 88. • https://bugzilla.mozilla.org/show_bug.cgi?id=1697604 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 6.1EPSS: 0%CPEs: 2EXPL: 0

CVE-2021-29953

https://notcve.org/view.php?id=CVE-2021-29953

24 Jun 2021 — A malicious webpage could have forced a Firefox for Android user into executing attacker-controlled JavaScript in the context of another domain, resulting in a Universal Cross-Site Scripting vulnerability. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected. Further details are being temporarily withheld to allow users an opportunity to update.*. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3. • https://bugzilla.mozilla.org/show_bug.cgi?id=1701684 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 5.3EPSS: 0%CPEs: 2EXPL: 0

CVE-2021-29955

https://notcve.org/view.php?id=CVE-2021-29955

24 Jun 2021 — A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. (A related vulnerability, Speculative Code Store Bypass (SCSB), did not affect Firefox.). This vulnerability affects Firefox ESR < 78.9 and Firefox < 87. Una vulnerabilidad de ejecución transitoria, denominada Floating Point Value Injection (FPVI) permitía a un atacante filtrar direcciones de memoria arbitrarias y tambié... • https://bugzilla.mozilla.org/show_bug.cgi?id=1692972 • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') •

CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0

CVE-2021-29958

https://notcve.org/view.php?id=CVE-2021-29958

24 Jun 2021 — When a download was initiated, the client did not check whether it was in normal or private browsing mode, which led to private mode cookies being shared in normal browsing mode. This vulnerability affects Firefox for iOS < 34. Cuando se iniciaba una descarga, el cliente no comprobaba si estaba en modo de navegación normal o privado, lo que conllevaba a que las cookies del modo privado se compartieran en el modo de navegación normal. Esta vulnerabilidad afecta a Firefox para iOS versiones anteriores a 34 • https://bugzilla.mozilla.org/show_bug.cgi?id=1670127 • CWE-862: Missing Authorization •

CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0

CVE-2021-29961 – Gentoo Linux Security Advisory 202107-09

https://notcve.org/view.php?id=CVE-2021-29961

24 Jun 2021 — When styling and rendering an oversized `