Use of uninitialized resource in Mozilla Firefox
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 14 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-908 and the CVSS impact.
Summary
ANGLE failed to initialize parameters which lead to reading from uninitialized memory. This could be leveraged to leak sensitive data from memory. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mozilla | Firefox | before 129 | 129 | Patch available | CNA |
| Mozilla | Firefox ESR | before 115.14 | 115.14 | Patch available | CNA |
| Mozilla | Firefox ESR | before 128.1 | 128.1 | Patch available | CNA |
| Mozilla | Thunderbird | before 128.1 | 128.1 | Patch available | CNA |
| Mozilla | Thunderbird | before 115.14 | 115.14 | Patch available | CNA |
- Firefox VendorMozilla Affected before 129 Fixed in 129 Patch available CNA
- Firefox ESR VendorMozilla Affected before 115.14 Fixed in 115.14 Patch available CNA
- Firefox ESR VendorMozilla Affected before 128.1 Fixed in 128.1 Patch available CNA
- Thunderbird VendorMozilla Affected before 128.1 Fixed in 128.1 Patch available CNA
- Thunderbird VendorMozilla Affected before 115.14 Fixed in 115.14 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 129.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | before 115.14.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox_esr:128.0:*:*:*:*:*:*:* | 128.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 115.14.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:128.0.1:*:*:*:*:*:*:* | 128.0.1 | Vulnerable | Mozilla |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 129.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 115.14.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox_esr:128.0:*:*:*:*:*:*:* Versions 128.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 115.14.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:128.0.1:*:*:*:*:*:*:* Versions 128.0.1 Vulnerable ·Mozilla
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 129
- Fix · CNA Firefox ESR (Mozilla) Fixed in 115.14
- Fix · CNA Firefox ESR (Mozilla) Fixed in 128.1
- Fix · CNA Thunderbird (Mozilla) Fixed in 128.1
- Fix · CNA Thunderbird (Mozilla) Fixed in 115.14
Red Hat 17 advisories
- RHSA-2024:5527 Released 2024-08-19 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-115.14.0-1.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird-115.14.0-1.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird-115.14.0-1.el8_4
- RHSA-2024:5528 Released 2024-08-19 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird-115.14.0-1.el8_6
- Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird-115.14.0-1.el8_6
- Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird-115.14.0-1.el8_6
- RHSA-2024:5322 Released 2024-08-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 9) firefox-115.14.0-2.el9_4, firefox-x11-115.14.0-2.el9_4
Show 14 more Red Hat advisories
- RHSA-2024:5391 Released 2024-08-14 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-115.14.0-2.el8_10
- RHSA-2024:5392 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 9) thunderbird-115.14.0-1.el9_4
- RHSA-2024:5402 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-115.14.0-1.el8_10
- RHSA-2024:5394 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) thunderbird-115.14.0-1.el8_8
- RHSA-2024:5396 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) thunderbird-115.14.0-1.el9_2
- RHSA-2024:5395 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird-115.14.0-1.el9_0
- RHSA-2024:5393 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-115.14.0-1.el8_2
- RHSA-2024:5328 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) firefox-115.14.0-2.el9_2, firefox-x11-115.14.0-2.el9_2
- RHSA-2024:5329 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) firefox-115.14.0-2.el8_8
- RHSA-2024:5326 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox-115.14.0-2.el8_6
- Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox-115.14.0-2.el8_6
- Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox-115.14.0-2.el8_6
- RHSA-2024:5324 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux Server (v. 7 ELS) firefox-115.14.0-2.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) firefox-115.14.0-2.el7_9
- RHSA-2024:5327 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox-115.14.0-2.el9_0
- RHSA-2024:5325 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-115.14.0-2.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox-115.14.0-2.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox-115.14.0-2.el8_4
- RHSA-2024:5323 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-115.14.0-2.el8_2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 129
14 records Highest priority Priority MEDIUM 9 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06979 Use after free in Mozilla FirefoxPriority MEDIUM 49
- TI-2024-06977 Use after free in Mozilla FirefoxPriority MEDIUM 49
- Release ·
Mozilla Firefox ESR 128.1
12 records Highest priority Priority MEDIUM 8 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06977 Use after free in Mozilla FirefoxPriority MEDIUM 49
- TI-2024-06974 Improper access control in Mozilla FirefoxPriority MEDIUM 46
Show 3 more groups
- Release ·
Mozilla Thunderbird 128.1
10 records Highest priority Priority MEDIUM 8 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06977 Use after free in Mozilla FirefoxPriority MEDIUM 49
- TI-2024-06974 Improper access control in Mozilla FirefoxPriority MEDIUM 46
- Release ·
Mozilla Firefox ESR 115.14
9 records Highest priority Priority MEDIUM 6 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06974 Improper access control in Mozilla FirefoxPriority MEDIUM 46
- TI-2024-06971 Out-of-bounds read in Mozilla FirefoxPriority MEDIUM 46
- Release ·
Mozilla Thunderbird 115.14
7 records Highest priority Priority MEDIUM 6 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06974 Improper access control in Mozilla FirefoxPriority MEDIUM 46
- TI-2024-06971 Out-of-bounds read in Mozilla FirefoxPriority MEDIUM 46
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:5391, RHSA-2024:5402 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:5322, RHSA-2024:5392 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2024:5323, RHSA-2024:5393 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2024:5325, RHSA-2024:5527 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2024:5326, RHSA-2024:5528 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2024:5325, RHSA-2024:5527 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2024:5326, RHSA-2024:5528 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2024:5327, RHSA-2024:5395 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:5329, RHSA-2024:5394 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:5328, RHSA-2024:5396 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2024:5325, RHSA-2024:5527 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2024:5326, RHSA-2024:5528 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2024:5324 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2024:5324 |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-7526
- 2026-10-03 Alias added: GHSA-hf5v-h65q-2g27
References
Advisory 5
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2024-7526 · CVE Program
- CVE-2024-7526 · NVD
- FIRST EPSS
- GHSA-hf5v-h65q-2g27 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-7526 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences