CVE-2022-0562: debian debian_linux NULL Pointer Dereference
Vulnerability summary
CVE-2022-0562 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 68.9% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 9 · Related 4Timeline
- 11-02-2022PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
Null source pointer passed as an argument to memcpy() function within TIFFReadDirectory() in tif_dirread.c in libtiff versions from 4.0 to 4.3.0 could lead to Denial of Service via crafted TIFF file. For users that compile libtiff from sources, a fix is available with commit 561599c.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.25%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.25% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- tiff< 4.3.0-4
- debian_linuxEOL9.0 | 10.0 | 11.0
Alpine1 product
- tiff< 4.3.0-r0 | < 4.3.0-r1
Fedoraproject1 product
- fedoraEOL35
Libtiff1 product
- libtiff≥ 4.0, ≤ 4.3.0 | ≥ 4.0.0, ≤ 4.3.0
Netapp1 product
Ubuntu1 product
- tiff< 4.0.3-7ubuntu0.11+esm1 | < 4.0.6-1ubuntu0.8+esm1 | < 4.0.9-5ubuntu0.5 | < 4.1.0+git191117-2ubuntu0.20.04.3
6 vendors · 7 products
References
14 links- gitlab.com/gitlab-org/build/omnibus-mirror/libtiff/-/commit/561599c99f987dc32ae110370cfdd7df7975586bPatchThird Party Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- security.netapp.com/advisory/ntap-20220318-0001/Third Party Advisory
