CVE-2024-26256: fedoraproject fedora Heap-based Buffer Overflow
CVSS: 7.8v3.1HighAnalyzed
AliasesALPINE-CVE-2024-26256MGASA-2024-0154UBUNTU-CVE-2024-26256USN-6805-1DEBIAN-CVE-2024-26256DSA-5706-1CGA-23p4-22cr-wgwgCGA-r2fg-3h5j-f389openSUSE-SU-2024:13929-1
Published 09-04-2024Last modified 03-05-2025
Vulnerability summary
CVE-2024-26256 is a high (CVSS 7.8) Heap-based Buffer Overflow vulnerability in fedoraproject fedora. EPSS estimates a 87.90% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
87.90%
0%100%
Critical · +3.09 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 4Timeline
- 09-04-2024PublishedVulnerability first disclosed.
- 03-05-2025Last modifiedVulnerability information updated.
Description
Libarchive Remote Code Execution Vulnerability
CVSS metrics
7 scores · 7 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 7 agree
- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · WolfiEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
87.90%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
+3.09 pp
From 84.81% on 20-09-2026
20-09-202620-10-2026
EPSS score87.90%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Microsoft7 products
- windows_11_22h2< 10.0.22621.3447
- windows_11_23h2< 10.0.22631.3447
- windows 11 version 22h2≥ 10.0.22621.0, < 10.0.22621.3447
- windows 11 version 22h3≥ 10.0.22631.0, < 10.0.22631.3447
- windows 11 version 23h2≥ 10.0.22631.0, < 10.0.22631.3447
Alpine1 product
- libarchive< 3.7.4-r0 | < 3.7.5-r0
Chainguard1 product
- libarchive< 3.7.4-r0
Debian1 product
- libarchive< 3.7.2-2.1 | < 3.6.2-1+deb12u1
Fedoraproject1 product
- fedoraEOL39 | 40
Libarchive1 product
- libarchive< 3.7.4
Mageia1 product
- libarchive< 3.6.2-5.1.mga9
Opensuse1 product
- bsdtar&distro=openSUSE Tumbleweed< 3.7.4-1.1
Ubuntu1 product
- libarchive< 3.6.0-1ubuntu1.1 | < 3.7.2-2ubuntu0.1
Wolfi1 product
- libarchive< 3.7.4-r0
10 vendors · 16 products
References
18 links
msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26256Vendor AdvisoryREPORTAdvisoryThird Party Advisory
