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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.883 (99.8th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.883 · newest: 0.883 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
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?
- 70 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.