CVE-2023-5176
published 2023-09-27CVE-2023-5176: 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…
PriorityP344critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.23%
65.3th percentile
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.
Affected
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | firefox | < firefox 118.0-1 (sid) | firefox 118.0-1 (sid) |
| debian | firefox-esr | < firefox 118.0-1 (sid) | firefox 118.0-1 (sid) |
| debian | thunderbird | < firefox 118.0-1 (sid) | firefox 118.0-1 (sid) |
| mozilla | firefox | < 118 | 118 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 118.0.1+build1-0ubuntu0.20.04.1 | 118.0.1+build1-0ubuntu0.20.04.1 |
| mozilla | firefox | >= 0 < 118.0.2+build2-0ubuntu0.20.04.1 | 118.0.2+build2-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 118 | 118 |
| mozilla | firefox_esr | < 115.3 | 115.3 |
| mozilla | firefox_esr | >= unspecified < 115.3 | 115.3 |
| mozilla | thunderbird | < 115.3 | 115.3 |
| mozilla | thunderbird | >= 0 < 1:115.3.1-1~deb11u1 | 1:115.3.1-1~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:115.3.1-1~deb12u1 | 1:115.3.1-1~deb12u1 |
| mozilla | thunderbird | >= 0 < 1:115.3.0-1 | 1:115.3.0-1 |
| mozilla | thunderbird | >= 0 < 1:115.3.0-1 | 1:115.3.0-1 |
| mozilla | thunderbird | >= 0 < 1:115.3.1+build1-0ubuntu0.20.04.1 | 1:115.3.1+build1-0ubuntu0.20.04.1 |
| mozilla | thunderbird | >= 0 < 1:115.3.1+build1-0ubuntu0.22.04.2 | 1:115.3.1+build1-0ubuntu0.22.04.2 |
| mozilla | thunderbird | >= unspecified < 115.3 | 115.3 |
| msrc | azl3_mozjs_102.15.1-1_on_azure_linux_3.0 | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_msrc9.8CRITICAL
vendor_redhat9.8CRITICAL
vendor_ubuntu8.8HIGH
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Ubuntu
Firefox regressions
vendor_ubuntu·2023-10-11·CVSS 6.5
[MEDIUM] Firefox regressions
Title: Firefox regressions
Summary: USN-6404-1 caused some minor regressions in Firefox.
USN-6404-1 fixed vulnerabilities in Firefox. The update introduced
several minor regressions. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2023-5169,
CVE-2023-5170, CVE-2023-5171, CVE-2023-5172, CVE-2023-5175, CVE-2023-5176)
Ronald Crane discovered that Firefox did not properly manage memory when
non-HTTPS Alternate Services (network.http.altsvc.oe) is enabled. An
attacker could poten
Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2023-10-03·CVSS 8.8
CVE-2023-5176 [HIGH] Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code. (CVE-2023-4057, CVE-2023-4577,
CVE-2023-4578, CVE-2023-4583, CVE-2023-4585, CVE-2023-5169, CVE-2023-5171,
CVE-2023-5176)
Andrew McCreight discovered that Thunderbird did not properly manage during
the worker lifecycle. An attacker could potentially exploit this issue to
cause a denial of service. (CVE-2023-3600)
Harveer Singh discovered that Thunderbird did not store push n
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2023-10-03·CVSS 6.5
CVE-2023-5175 [MEDIUM] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Several security issues were fixed in Firefox.
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2023-5169,
CVE-2023-5170, CVE-2023-5171, CVE-2023-5172, CVE-2023-5175, CVE-2023-5176)
Ronald Crane discovered that Firefox did not properly manage memory when
non-HTTPS Alternate Services (network.http.altsvc.oe) is enabled. An
attacker could potentially exploit this issue to cause a denial of service.
(CVE-2023-5173)
Clément Lecigne discovered that Firefox did not properly manage memory when
handling VP8 media stream. An attacker-contr
Red Hat
Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3
vendor_redhat·2023-09-26·CVSS 9.8
CVE-2023-5176 [CRITICAL] CWE-120 Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3
Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3
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.
A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: Memory safety bugs are 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.
Statement: Red Hat Product Secur
Microsoft
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
vendor_msrc·2023-09-12·CVSS 9.8
CVE-2023-5176 [CRITICAL] CWE-787 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
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 Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more informat
Debian
CVE-2023-5176: firefox - Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 11...
vendor_debian·2023·CVSS 9.8
CVE-2023-5176 [CRITICAL] CVE-2023-5176: firefox - Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 11...
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.
Scope: local
sid: resolved (fixed in 118.0-1)
Mozilla
Mozilla Foundation Security Advisory 2023-41: CVE-2023-5176
vendor_mozilla·CVSS 9.8
CVE-2023-5176 [CRITICAL] Mozilla Foundation Security Advisory 2023-41: CVE-2023-5176
Mozilla Foundation Security Advisory 2023-41
CVE: CVE-2023-5176
Product: Firefox
Impact: high
Fixed in: Firefox 118
Mozilla
Mozilla Foundation Security Advisory 2023-42: CVE-2023-5176
vendor_mozilla·CVSS 9.8
CVE-2023-5176 [CRITICAL] Mozilla Foundation Security Advisory 2023-42: CVE-2023-5176
Mozilla Foundation Security Advisory 2023-42
CVE: CVE-2023-5176
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 115.3
Mozilla
Mozilla Foundation Security Advisory 2023-43: CVE-2023-5176
vendor_mozilla·CVSS 9.8
CVE-2023-5176 [CRITICAL] Mozilla Foundation Security Advisory 2023-43: CVE-2023-5176
Mozilla Foundation Security Advisory 2023-43
CVE: CVE-2023-5176
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 115.3
OSV
firefox regressions
osv·2023-10-11·CVSS 6.5
CVE-2023-5169 [MEDIUM] firefox regressions
firefox regressions
USN-6404-1 fixed vulnerabilities in Firefox. The update introduced
several minor regressions. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2023-5169,
CVE-2023-5170, CVE-2023-5171, CVE-2023-5172, CVE-2023-5175, CVE-2023-5176)
Ronald Crane discovered that Firefox did not properly manage memory when
non-HTTPS Alternate Services (network.http.altsvc.oe) is enabled. An
attacker could potentially exploit this issue to cause a denial of service.
(CVE-2023-5173
OSV
firefox vulnerabilities
osv·2023-10-03·CVSS 6.5
CVE-2023-5169 [MEDIUM] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2023-5169,
CVE-2023-5170, CVE-2023-5171, CVE-2023-5172, CVE-2023-5175, CVE-2023-5176)
Ronald Crane discovered that Firefox did not properly manage memory when
non-HTTPS Alternate Services (network.http.altsvc.oe) is enabled. An
attacker could potentially exploit this issue to cause a denial of service.
(CVE-2023-5173)
Clément Lecigne discovered that Firefox did not properly manage memory when
handling VP8 media stream. An attacker-controlled VP8 media stream could
lead to a heap buffer overflow in t
OSV
thunderbird vulnerabilities
osv·2023-10-03·CVSS 8.8
CVE-2023-4057 [HIGH] thunderbird vulnerabilities
thunderbird vulnerabilities
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code. (CVE-2023-4057, CVE-2023-4577,
CVE-2023-4578, CVE-2023-4583, CVE-2023-4585, CVE-2023-5169, CVE-2023-5171,
CVE-2023-5176)
Andrew McCreight discovered that Thunderbird did not properly manage during
the worker lifecycle. An attacker could potentially exploit this issue to
cause a denial of service. (CVE-2023-3600)
Harveer Singh discovered that Thunderbird did not store push notifications
in private browsing mode in encrypted form. An attacker
GHSA
GHSA-238m-xccf-m2f6: Memory safety bugs present in Firefox 117, Firefox ESR 115
ghsa_unreviewed·2023-09-27
CVE-2023-5176 [CRITICAL] CWE-787 GHSA-238m-xccf-m2f6: Memory safety bugs present in Firefox 117, Firefox ESR 115
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.
OSV
CVE-2023-5176: Memory safety bugs present in Firefox 117, Firefox ESR 115
osv·2023-09-27·CVSS 9.8
CVE-2023-5176 [CRITICAL] CVE-2023-5176: Memory safety bugs present in Firefox 117, Firefox ESR 115
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1836353%2C1842674%2C1843824%2C1843962%2C1848890%2C1850180%2C1850983%2C1851195https://lists.debian.org/debian-lts-announce/2023/09/msg00034.htmlhttps://lists.debian.org/debian-lts-announce/2023/10/msg00015.htmlhttps://www.debian.org/security/2023/dsa-5506https://www.debian.org/security/2023/dsa-5513https://www.mozilla.org/security/advisories/mfsa2023-41/https://www.mozilla.org/security/advisories/mfsa2023-42/https://www.mozilla.org/security/advisories/mfsa2023-43/https://bugzilla.mozilla.org/buglist.cgi?bug_id=1836353%2C1842674%2C1843824%2C1843962%2C1848890%2C1850180%2C1850983%2C1851195https://lists.debian.org/debian-lts-announce/2023/09/msg00034.htmlhttps://lists.debian.org/debian-lts-announce/2023/10/msg00015.htmlhttps://www.debian.org/security/2023/dsa-5506https://www.debian.org/security/2023/dsa-5513https://www.mozilla.org/security/advisories/mfsa2023-41/https://www.mozilla.org/security/advisories/mfsa2023-42/https://www.mozilla.org/security/advisories/mfsa2023-43/
2023-09-27
Published