openEuler 20.03 LTS SP4 update for firefox
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-29970 CVE-2021-43539 CVE-2022-34481 |
| CWE-ID | CWE-416 CWE-190 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system mozilla-crashreporter-firefox-debuginfo Operating systems & Components / Operating system package or component firefox-debugsource Operating systems & Components / Operating system package or component firefox-debuginfo Operating systems & Components / Operating system package or component firefox Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU54678
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-29970
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in accessibility features when processing HTML content. A remote attacker can track the victim to open a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP4
mozilla-crashreporter-firefox-debuginfo: before 79.0-34
firefox-debugsource: before 79.0-34
firefox-debuginfo: before 79.0-34
firefox: before 79.0-34
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
- cpe:2.3:a:openeuler:mozilla-crashreporter-firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1378
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Use-after-free
EUVDB-ID: #VU58608
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-43539
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in GC rooting when calling wasm instance methods. A remote attacker can trick the victim to open a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP4
mozilla-crashreporter-firefox-debuginfo: before 79.0-34
firefox-debugsource: before 79.0-34
firefox-debuginfo: before 79.0-34
firefox: before 79.0-34
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
- cpe:2.3:a:openeuler:mozilla-crashreporter-firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1378
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Integer overflow
EUVDB-ID: #VU64756
Risk: Medium
CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-34481
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in the nsTArray_Impl::ReplaceElementsAt() function. A remote attacker can trick the victim to visit a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP4
mozilla-crashreporter-firefox-debuginfo: before 79.0-34
firefox-debugsource: before 79.0-34
firefox-debuginfo: before 79.0-34
firefox: before 79.0-34
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
- cpe:2.3:a:openeuler:mozilla-crashreporter-firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:firefox:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1378
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
