Mozilla Firefox Esr vulnerabilities
1,297 known vulnerabilities affecting mozilla/firefox_esr.
Total CVEs
1,297
CISA KEV
9
actively exploited
Public exploits
20
Exploited in wild
16
Severity breakdown
CRITICAL214HIGH400MEDIUM327LOW6UNKNOWN350
Vulnerabilities
Page 13 of 65
CVE-2024-5696P3HIGHCVSS 8.6≥ unspecified, < 115.122024-06-11
CVE-2024-5696 [HIGH] CWE-787 CVE-2024-5696: By manipulating the text in an `<input>` tag, an attacker could have caused corrupt memory lea
By manipulating the text in an ` ` tag, an attacker could have caused corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
nvd
CVE-2026-16365P3HIGHCVSS 8.8fixed in Firefox ESR 140.15
CVE-2026-16365 [HIGH] Mozilla Foundation Security Advisory 2026-84: CVE-2026-16365
Mozilla Foundation Security Advisory 2026-84
CVE: CVE-2026-16365
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 140.15
mozilla
CVE-2026-92053P3HIGHCVSS 8.8fixed in Firefox ESR 153.3
CVE-2026-92053 [HIGH] Mozilla Foundation Security Advisory 2026-93: CVE-2026-92053
Mozilla Foundation Security Advisory 2026-93
CVE: CVE-2026-92053
Product: Firefox ESR
Impact: low
Fixed in: Firefox ESR 153.3
mozilla
CVE-2026-100832P3HIGHCVSS 8.8fixed in Firefox ESR 140.17
CVE-2026-100832 [HIGH] Mozilla Foundation Security Advisory 2026-99: CVE-2026-100832
Mozilla Foundation Security Advisory 2026-99
CVE: CVE-2026-100832
Product: Firefox ESR
Impact: moderate
Fixed in: Firefox ESR 140.17
mozilla
CVE-2026-92014P3HIGHCVSS 8.8fixed in Firefox ESR 115.41
CVE-2026-92014 [HIGH] Mozilla Foundation Security Advisory 2026-91: CVE-2026-92014
Mozilla Foundation Security Advisory 2026-91
CVE: CVE-2026-92014
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 115.41
mozilla
CVE-2026-100820P3HIGHCVSS 8.8fixed in Firefox ESR 140.17
CVE-2026-100820 [HIGH] Mozilla Foundation Security Advisory 2026-99: CVE-2026-100820
Mozilla Foundation Security Advisory 2026-99
CVE: CVE-2026-100820
Product: Firefox ESR
Impact: moderate
Fixed in: Firefox ESR 140.17
mozilla
CVE-2026-100831P3HIGHCVSS 8.8fixed in Firefox ESR 153.4
CVE-2026-100831 [HIGH] Mozilla Foundation Security Advisory 2026-100: CVE-2026-100831
Mozilla Foundation Security Advisory 2026-100
CVE: CVE-2026-100831
Product: Firefox ESR
Impact: low
Fixed in: Firefox ESR 153.4
mozilla
CVE-2026-100801P3HIGHCVSS 8.8fixed in Firefox ESR 140.17
CVE-2026-100801 [HIGH] Mozilla Foundation Security Advisory 2026-99: CVE-2026-100801
Mozilla Foundation Security Advisory 2026-99
CVE: CVE-2026-100801
Product: Firefox ESR
Impact: moderate
Fixed in: Firefox ESR 140.17
mozilla
CVE-2026-100807P3HIGHCVSS 8.8fixed in Firefox ESR 140.17
CVE-2026-100807 [HIGH] Mozilla Foundation Security Advisory 2026-99: CVE-2026-100807
Mozilla Foundation Security Advisory 2026-99
CVE: CVE-2026-100807
Product: Firefox ESR
Impact: moderate
Fixed in: Firefox ESR 140.17
mozilla
CVE-2026-6769P3HIGHCVSS 8.8fixed in Firefox ESR 140.10
CVE-2026-6769 [HIGH] Mozilla Foundation Security Advisory 2026-32: CVE-2026-6769
Mozilla Foundation Security Advisory 2026-32
CVE: CVE-2026-6769
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 140.10
mozilla
CVE-2026-6761P3HIGHCVSS 8.8fixed in Firefox ESR 140.10
CVE-2026-6761 [HIGH] Mozilla Foundation Security Advisory 2026-32: CVE-2026-6761
Mozilla Foundation Security Advisory 2026-32
CVE: CVE-2026-6761
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 140.10
mozilla
CVE-2026-92047P3HIGHCVSS 8.8fixed in Firefox ESR 153.3
CVE-2026-92047 [HIGH] Mozilla Foundation Security Advisory 2026-93: CVE-2026-92047
Mozilla Foundation Security Advisory 2026-93
CVE: CVE-2026-92047
Product: Firefox ESR
Impact: low
Fixed in: Firefox ESR 153.3
mozilla
CVE-2014-1555P3CRITICALCVSS 9.3v24.2v24.3+3 more2014-07-23
CVE-2014-1555 [CRITICAL] CVE-2014-1555: Use-after-free vulnerability in the nsDocLoader::OnProgress function in Mozilla Firefox before 31.0,
Use-after-free vulnerability in the nsDocLoader::OnProgress function in Mozilla Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7 allows remote attackers to execute arbitrary code via vectors that trigger a FireOnStateChange event.
nvd
CVE-2017-5428P3CRITICALCVSS 9.8fixed in 52.0.1≥ unspecified, < 52.0.12018-06-11
CVE-2017-5428 [CRITICAL] CWE-190 CVE-2017-5428: An integer overflow in "createImageBitmap()" was reported through the Pwn2Own contest. The fix for t
An integer overflow in "createImageBitmap()" was reported through the Pwn2Own contest. The fix for this vulnerability disables the experimental extensions to the "createImageBitmap" API. This function runs in the content sandbox, requiring a second vulnerability to compromise a user's computer. This vulnerability affects Firefox ESR < 52.0.1 and Fir
nvd
CVE-2018-12369P3CRITICALCVSS 9.8≥ unspecified, < 60.12018-10-18
CVE-2018-12369 [CRITICAL] CWE-863 CVE-2018-12369: WebExtensions bundled with embedded experiments were not correctly checked for proper authorization.
WebExtensions bundled with embedded experiments were not correctly checked for proper authorization. This allowed a malicious WebExtension to gain full browser permissions. This vulnerability affects Firefox ESR < 60.1 and Firefox < 61.
nvd
CVE-2023-5176P3CRITICALCVSS 9.8fixed in 115.3≥ unspecified, < 115.32023-09-27
CVE-2023-5176 [CRITICAL] CWE-787 CVE-2023-5176: Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. Some of these b
Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
nvd
CVE-2022-31736P3CRITICALCVSS 9.8fixed in 91.10≥ unspecified, < 91.102022-12-22
CVE-2022-31736 [CRITICAL] CWE-942 CVE-2022-31736: A malicious website could have learned the size of a cross-origin resource that supported Range requ
A malicious website could have learned the size of a cross-origin resource that supported Range requests. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
nvd
CVE-2018-5104P3CRITICALCVSS 9.8≥ unspecified, < 52.62018-06-11
CVE-2018-5104 [CRITICAL] CWE-416 CVE-2018-5104: A use-after-free vulnerability can occur during font face manipulation when a font face is freed whi
A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
nvd
CVE-2023-29531P3CRITICALCVSS 9.8fixed in 102.10≥ unspecified, < 102.102023-06-19
CVE-2023-29531 [CRITICAL] CWE-787 CVE-2023-29531: An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory cor
An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potentially exploitable crash.
*This bug only affects Firefox and Thunderbird for macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.
nvd
CVE-2022-31737P3CRITICALCVSS 9.8fixed in 91.10≥ unspecified, < 91.102022-12-22
CVE-2022-31737 [CRITICAL] CWE-787 CVE-2022-31737: A malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption
A malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
nvd