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MEDIUM · 5.3

CVE-2023-1999

There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will th...

Vulnerability Description

There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
WebmprojectLibwebp>= 0.4.2, < 1.3.1

Related Weaknesses (CWE)

CWE-416CWE-415

References

FAQ

What is CVE-2023-1999?

CVE-2023-1999 is a vulnerability with a CVSS score of 5.3 (MEDIUM). There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will th...

How severe is CVE-2023-1999?

CVE-2023-1999 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-1999?

Check the references section above for vendor advisories and patch information. Affected products include: Webmproject Libwebp.