Buffer overflow in GNU Glibc
CVE-2024-2961
The iconv() function in the GNU C Library versions 2.39 and older may overflow the output buffer passed to it by up to 4 bytes when converting strings to the ISO-2022-CN-EXT character set, which may be used to crash an application or overwrite a neighbouring variable.
Vulnerability class: Buffer Overflow
EPSS: 0.883 (99.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
- ambionics/cnext-exploits
- kyotozx/CVE-2024-2961-Remote-File-Read
- rvizx/CVE-2024-2961
- rvzsec/CVE-2024-2961
- suce0155/CVE-2024-2961_buddyforms_2.7.7
- suce0155/CVE-2024-2961
- kjdfklha/CVE-2024-2961_poc
- mattaperkins/FIX-CVE-2024-2961
- omarelshopky/exploit_cve-2023-26326_using_cve-2024-2961
- HORKimhab/CVE-2022-31626-CVE-2024-2961-CVE-2019-6977
References
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Third Party Advisory)
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Broken Link)
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Broken Link)
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Broken Link)
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Mailing List, Third Party Advisory)
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Mailing List, Third Party Advisory)
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Mailing List, Third Party Advisory)
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Mailing List, Third Party Advisory)
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Mailing List, Third Party Advisory)
- 3ff69d7a-14f2-4f67-a097-88dee7810d18 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-2961?
- CVE-2024-2961 is a high-severity vulnerability in GNU Glibc, classified under Out-of-bounds Write. CVSS score: 7.3/10. Published 2024-04-17.
- How severe is CVE-2024-2961?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2024-2961 known to be exploited?
- 68 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.