Every CVE Search/ Get API key

CVE-2022-39046

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a...

7.5 HighFix available

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

1.92%Up 1.0 points since Aug 31, 2022
90%50%10%1%

What each source reports

CVE List Score used 7.5

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.

Record
CVE-2022-39046
CVSS 3.1
7.5 HighCVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N
Updated
2026-11-02
EUVDEUVD-2022-41592 7.5

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.

Record
EUVD-2022-41592
CVSS 3.1
7.5 HighCVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-f6rj-qrpf-jc34 5.3

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a...

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.

Record
GHSA-f6rj-qrpf-jc34
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-532
Updated
2026-11-02
NVD 7.5

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.

Record
CVE-2022-39046
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-532
Updated
2026-11-02
OSVBELL-CVE-2022-39046 5.3

CVE-2022-39046 does not affect BellSoft software

Record
BELL-CVE-2022-39046
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSV 7.5

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.

Record
CVE-2022-39046
CVSS 3.1
7.5 HighCVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N
Updated
2026-11-02
OSVUBUNTU-CVE-2022-39046 5.3

An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.

Record
UBUNTU-CVE-2022-39046
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVopenSUSE-SU-2024:12316-1 No score

glibc-2.36-3.1 on GA media

These are all security issues fixed in the glibc-2.36-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12316-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
glibc
openSUSE:Tumbleweed
before 2.36-3.1
2.36-3.1

History

History
RecordedChangedSources
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-39046 is a high vulnerability (CVSS 7.5) in Gnu Glibc, published August 31, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.92%, the 79th percentile. Fixed in glibc 2.36-3.1.

References

Show 9 moreShow less
MoveEnter Open